ПРИСПОСОБЛЕНИЕ ДЛЯ УДАЛЕНИЯ ВОЗДУШНЫХ ПУЗЫРЬКОВ ИЗ ФОТОГРАФИЧЕСКОЙ ЭМУЛЬСИИ ПРИ ПОЛИВЕ

ELECTRONIC DEVICE INTENDS HAS EQUIPMENT ULTRA HIGH FREQUENCIES EMBARK ON SATELLITE

Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent units

A recording medium carrier system of an image forming apparatus is constituted by independent units as a paper supply cassette, a paper feed unit, a transfer unit, a fixing unit, and a paper ejecting unit. An intermediate transfer unit in the transfer unit is provided with an intermediate transfer belt to which a toner image formed on a photoconductive drum is primarily transferred at a primary transfer position and which secondarily transfers the toner image on a recording medium at a secondary transfer position, and a driving roller for circulating the intermediate transfer belt. The primary transfer position is arranged close to the driving roller.

ЭЛЕКТРОФОТОГРАФИЧЕСКИЙ АППАРАТ С ПЛОСКИМ ФОТОРЕЦЕПТОРОМ

1. Электрофотографический аппарат, включающий опорную станину, оптическую систему, оригиналодержатель, фоторецептор с плоской поверхностью, средство электростатической зарядки, средство проявления порошковым проявителем, средство переноса изображения на бумагу, средство очистки фоторецептора, средство термического закрепления изображения, отличающийся тем, что фоторецептор выполнен с возможностью поступательного движения под оригиналодержатель вдоль установленных неподвижно средств электростатической зарядки, проявления, переноса, очистки и с возможностью поворота вокруг своей оси. 2. Аппарат по п.1, отличающийся тем, что опорная станина выполнена в виде пластин, соединенных стержнями. (19) RU (11) (13) 5 269 U1 (51) МПК G03G 15/00 (1995.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ (21), (22) Заявка: 94027524/20, 15.07.1994 (46) Опубликовано: 16.10.1997 (71) Заявитель(и): Черкасов Юрий Андреевич (72) Автор(ы): Черкасов Юрий Андреевич R U (73) Патентообладатель(и): Черкасов Юрий Андреевич 5 2 6 9 R U Ñòðàíèöà: 1 U 1 (57) Формула полезной модели 1. Электрофотографический аппарат, включающий опорную станину, оптическую систему, оригиналодержатель, фоторецептор с плоской поверхностью, средство электростатической зарядки, средство проявления порошковым проявителем, средство переноса изображения на бумагу, средство очистки фоторецептора, средство термического закрепления изображения, отличающийся тем, что фоторецептор выполнен с возможностью поступательного движения под оригиналодержатель вдоль установленных неподвижно средств электростатической зарядки, проявления, переноса, очистки и с возможностью поворота вокруг своей оси. 2. Аппарат по п.1, отличающийся тем, что опорная станина выполнена в виде пластин, соединенных стержнями. 5 2 6 9 U 1 (54) ЭЛЕКТРОФОТОГРАФИЧЕСКИЙ АППАРАТ С ПЛОСКИМ ФОТОРЕЦЕПТОРОМ RU 5 269 U1 RU 5 269 U1 RU 5 269 U1 RU 5 269 U1 RU 5 269 U1 RU 5 269 U1 RU 5 269 U1 RU 5 269 U1

Image Forming Apparatus and Method

Certain embodiments provide an image forming apparatus including: a drum; a photoconductive member; a charging device; a developing device; a toner supplying section; a transfer member; a sensor to measure the density of a toner band adhering on the transfer member; a process control section to separately control on and off of a developing bias and on and off of a charging bias; a timing adjusting section to instruct the process control section to turn on the developing bias at timing when a portion not substantially charged on the photoconductive member is opposed to the developing device; and a calculating section to calculate an amount of supply of toner from the toner supplying section into the developing device according to a result of measurement of the density of the toner band which is formed by the developing bias enabled by the timing adjusting section by the sensor.

Color image forming apparatus

Provided is a low cost color image forming apparatus in which the density of the image having been fixed is optimally adjusted and jamming in the fixing device is prohibited. The toner adhering amount of each single color toner image to form a color toner image is controlled based on the density detection result of the yellow test toner image having been fixed and the degree of fixation is controlled base on the density detection result of the black test toner image having been fixed

Switching mode power supply and method of supplying power by using the same

The present general inventive concept describes a switching mode power supply (SMPS) and a method of supplying power by using the same. An SMPS that may be used in an image forming apparatus can include a transformation unit to transform an alternating-current (AC) voltage input to the SMPS, into at least one direct-current (DC) voltage by using a transformer, a first output voltage output unit to output the transformed DC voltage as a first output voltage of the SMPS, a first switching unit to prevent output of the second output voltage, and a second switching unit to prevent output of the second output voltage.

Image forming device and toner cartridge mounted therein

An image forming device includes: a main casing; a retaining member; a plurality of developing units; a plurality of toner cartridges; and an operation unit. The retaining member is configured to be movable in a first direction between an accommodated position and a pulled-out position. The retaining member includes a first side plate and a second side plate extending in the first direction and disposed in confrontation with and spaced apart from each other in a second direction orthogonal to the first direction. The developing units are retained in the retaining member. The toner cartridges have one-on-one correspondence to the developing units and are configured to be mountable in or detachable from the retaining member when the retaining member is located at the pulled-out position. Each toner cartridge includes a casing formed with a cartridge opening, and a cartridge shutter configured to be movable between an open position for opening the cartridge opening and a closed position for closing the cartridge opening. The operation unit is provided in the retaining member and configured to be pivotally movable in an imaginary plane parallel to the first direction and the second direction. The operation unit is interlocked with the cartridge shutter while the toner cartridge is mounted in the retaining member to move the cartridge shutter between the open position and the closed position in accordance with the pivotal movement of the operation unit.

Printer having an alternate scavenger geometry

A printer having a developer station for holding a supply of developer which includes magnetized carrier particles, a magnetized development roller, and an imaging roller proximate the development roller which collects carrier particles during operation of the printer. A scavenger proximate the imaging roller and the development roller removes the carrier particles from the imaging roller during operation of the printer which are then urged through a slot in the scavenger by the magnetized development roller.

Установка для электронного архивирования документации

Установка для электронного архивирования документации, выполненная в виде рабочего стола, на основании которого с противоположной оператору стороны жестко закреплена направляющая стойка с продольным пазом, на которой установлен кронштейн с объективом с возможностью их вертикального перемещения вдоль продольного паза, по боковым сторонам стола на шарнирно закрепленных Г-образных стойках, установлены светильники с возможностью их горизонтального перемещения вдоль стоек и поворота относительно их осей, а с верхней стороны стола установлена прижимная рамка, выполненная из прозрачного материала, отличающаяся тем, что она снабжена цифровой фотокамерой, установленной по центру прижимной рамки, закрепленной на противоположной оператору стороне стола с возможностью ее поворота вверх относительно оси крепления, фиксации в рабочем положении и уравновешенной посредством двух пружин, а с правой стороны стола установлен пульт управления освещением и приводом цифровой фотокамеры, выполненным в виде ходового винта, размещенного в продольном пазу направляющей стойки и взаимодействующего через редуктор с электродвигателем, а через отверстие свободно установленной на нем ходовой муфты - с поводком кронштейна, снабженного подвижными элементами, контактирующими с поверхностью направляющей стойки. (19) RU (11) 33 241 (13) U1 (51) МПК G03G 15/04 (2000.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2003112815/20 , 07.05.2003 (24) Дата начала отсчета срока действия патента: 07.05.2003 (46) Опубликовано: 10.10.2003 (72) Автор(ы): Болтянский В.А., Журавский В.Г., Гольдин В.В., Егоров А.Е. 3 3 2 4 1 (73) Патентообладатель(и): Болтянский Владислав Александрович, Журавский Виталий Григорьевич, Гольдин Виктор Вольфович, Егоров Александр Евгеньевич R U Адрес для переписки: 117465, Москва, ул. Ген. Тюленева, 15, кв.29, В.А. Болтянскому (71) Заявитель(и): Болтянский Владислав Александрович, Журавский Виталий Григорьевич, Гольдин ...

УСТРОЙСТВО СНЯТИЯ ОТПЕЧАТКОВ ПЫЛЕВЫХ СЛЕДОВ (ВАРИАНТЫ)

1. Устройство снятия отпечатков пылевых следов, состоящее из накопителя электрического заряда, основного и вспомогательного электродов и соединительного кабеля вспомогательного электрода, отличающееся тем, что введен механический узел, приводимый в действие мускульным усилием эксперта, соединенный с преобразователем механической энергии в электрическую, который соединен с накопителем электрического заряда, основной электрод покрыт изолирующей диэлектрической пленкой и конструктивно связан с накопителем электрического заряда. 2. Устройство снятия отпечатков пылевых следов, состоящее из накопителя электрического заряда, основного и вспомогательного электродов и соединительного кабеля вспомогательного электрода, отличающееся тем, что введен механический узел, приводимый в действие мускульным усилием эксперта, соединенный с преобразователем механической энергии в электрическую, который соединен с накопителем электрического заряда, основной электрод покрыт изолирующей диэлектрической пленкой и конструктивно связан с накопителем электрического заряда, механический узел, преобразователь механической энергии в электрическую, накопитель электрического заряда конструктивно объединены в один узел в виде съемной рукоятки, выполненной с возможностью присоединения к основному электроду с помощью узла присоединения. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 42 667 (13) U1 (51) МПК G03G 15/00 (2000.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2004120332/22 , 08.07.2004 (24) Дата начала отсчета срока действия патента: 08.07.2004 (45) Опубликовано: 10.12.2004 (73) Патентообладатель(и): ООО Лаборатория конверсионных технологий (RU) Ñòðàíèöà: 1 U 1 4 2 6 6 7 U 1 Формула полезной модели 1. Устройство снятия отпечатков пылевых следов, состоящее из накопителя электрического заряда, основного и вспомогательного электродов и соединительного кабеля вспомогательного электрода, отличающееся тем, что ...

УСТРОЙСТВО ДЛЯ ВИЗУАЛИЗАЦИИ ЭЛЕКТРИЧЕСКИХ НЕОДНОРОДНОСТЕЙ ПЛОСКИХ ОБЪЕКТОВ СКРЫТЫХ ДИЭЛЕКТРИЧЕСКИМ ПОКРЫТИЕМ ЭЛЕКТРИЧЕСКИМ ПОЛЕМ

Устройство для визуализации электрических неоднородностей плоских объектов скрытых диэлектрическим покрытием электрическим полем, содержащее генератор токов высокой частоты, соединенный с разрядным конденсатором и диэлектрическую пластину, отличающееся тем, что одна обкладка разрядного конденсатора выполнена в виде герметичной камеры из диэлектрического материала с каналом и узлом для откачки и напуска смеси разреженных инертных газов, последний снабжен с внешней стороны кольцевым контактом, соединенным с генератором токов высокой частоты, при этом диэлектрическая пластина, представляет собой дно камеры, выполнена черной, а о скрытых неоднородностях объекта судят визуально по изображению на светящемся тонком слое смеси инертных ионизированных газов через прозрачную верхнюю сторону камеры. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 59 850 (13) U1 (51) МПК G03B 31/00 (2006.01) G03G 17/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2006132661/22 , 31.08.2006 (24) Дата начала отсчета срока действия патента: 31.08.2006 (45) Опубликовано: 27.12.2006 (72) Автор(ы): Кутлубаев Асхат Хайдарович (RU) (73) Патентообладатель(и): Кутлубаев Асхат Хайдарович (RU) R U Адрес для переписки: 420066, г.Казань, а/я 325, ул. Поперечная Гривка, 9, А.Х. Кутлубаеву U 1 5 9 8 5 0 R U Ñòðàíèöà: 1 U 1 Формула полезной модели Устройство для визуализации электрических неоднородностей плоских объектов скрытых диэлектрическим покрытием электрическим полем, содержащее генератор токов высокой частоты, соединенный с разрядным конденсатором и диэлектрическую пластину, отличающееся тем, что одна обкладка разрядного конденсатора выполнена в виде герметичной камеры из диэлектрического материала с каналом и узлом для откачки и напуска смеси разреженных инертных газов, последний снабжен с внешней стороны кольцевым контактом, соединенным с генератором токов высокой частоты, при этом диэлектрическая пластина, ...

КАРТРИДЖ С ТОНЕРОМ, РЕГИСТРИРУЮЩЕЕ УСТРОЙСТВО, ТЕХНОЛОГИЧЕСКИЙ КАРТРИДЖ И УСТРОЙСТВО ОТКРЫВАНИЯ/ЗАКРЫВАНИЯ ЗАТВОРА

1. Картридж с тонером, содержащий: основной корпус для хранения тонера; перемешивающий элемент для перемешивания тонера; затвор, выполненный в основном корпусе и открывающий и закрывающий порты подачи тонера; открывающий/закрывающий крюк, обеспечивающий нажим на один конец затвора в направлении его перемещения; первый и второй упругие рычаги, размещенные параллельно концевой части затвора, на которую нажимает открывающий/закрывающий крюк; нажимную деталь, сформированную между первым и вторым упругими рычагами, на которую нажимает открывающий/закрывающий крюк; направляющую деталь, предназначенную для регулирования и направления внешней периферии первого и второго упругих рычагов, когда открывающий/закрывающий крюк нажимает на затвор; при этом первый и второй упругие рычаги имеют первые выступающие детали, отходящие от концов первого и второго упругих рычагов в направлении друг к другу в прямых направлениях первого и второго упругих рычагов у их концов, и вторые выступающие детали, отходящие от концов упругих рычагов вовне в направлении, противоположном первым выступающим деталям у их концов, направляющая деталь имеет канавки, в которые входят вторые выступающие детали, когда затвор расположен в закрытом положении для закрывания портов подачи тонера; открывающий/закрывающий крюк имеет упор, выполненный на конце открывающего/закрывающего крюка, и который упирается в нажимную деталь; при этом, когда упор открывающего/закрывающего крюка нажимает на нажимную деталь затвора для открывания портов подачи тонера, вторые выступающие детали первого и второго упругих рычагов поднимаются из канавок направляющей и движутся по направляющей, а первые выступающие детали сдвигаются внутрь в оперативном соединении с движением вторых выступающих деталей, и зажимают упор с обеих сторон, а когда открывающий/закрывающий крюк вытягивается наружу и затвор закрывает порты подачи тонера, упор открывающего/закрывающего крюка, зажатый с обеих сторон первыми выступающими деталями первого и ...

УЗЕЛ ФОРМИРОВАНИЯ ИЗОБРАЖЕНИЯ И БУНКЕР С ТОНЕРОМ

1. Узел формирования изображения, закрепленный с возможностью удаления внутри главного корпуса устройства формирования изображения и сформированный из узла фоторецептора и проявочного узла, при этом узел фоторецептора включает в себя фоторецептор, несущий электростатическое скрытое изображение и тонерное изображение, а проявочный узел включает в себя проявочный ролик, который проявляет из тонера посредством приведения в контакт слоя тонера, покрывающего поверхность проявочного ролика, и поверхности фоторецептора, и бункер с тонером, подающий тонер на поверхность проявочного ролика, при этом узел формирования изображения снабжен рукоятью, которая помещает узел формирования изображения в главный корпус вдоль направляющего элемента в главном корпусе вращательным образом, в порядке от проявочного узла до фоторецептора, и которая обеспечена на узле фоторецептора в самом дальнем торце от проявочного узла. 2. Узел формирования изображения по п.1, в котором поперечное сечение узла фоторецептора, перпендикулярное центральной оси фоторецептора, сформировано в форме дугообразной кривой, которая выступает наружу из нижней поверхности рукояти до нижней поверхности узла фоторецептора, а поперечное сечение проявочного узла, перпендикулярное центральной оси фоторецептора, сформировано в форме дугообразной кривой, которая выступает наружу из самого дальнего торца от узла фоторецептора до нижней поверхности проявочного узла. 3. Узел формирования изображения по п.1, в котором рукоять проходит вверх от самого дальнего торца проявочного узла на узле фоторецептора. 4. Узел формирования изображения по п.1, в котором первая позиционирующая ось, которая плотно прилегает к направляющему элементу в главном корпусе и перемещается путем скольжения, выступает с обеих сторон проявочного узла. 5. Узел формирования изображения по п.1, в котором центральная ось фоторецептора выступает с обеих сторон узла формирования изображения, как вторая позиционирующая ось, которая плотно прилегает к ...

Image forming apparatus

An image forming apparatus includes an image forming unit to form a color toner image using a color toner and a transparent layer using a transparent toner on a sheet of recording media, a sheet conveyance unit to transport the sheet, a 3D display lens forming unit disposed downstream from the image forming unit in a sheet conveyance direction, and a controller. The 3D display lens forming unit includes a shaping member including an uneven portion having predetermined surface unevenness, and a pressure member to press the shaping member against the sheet, forming a shaping nip between the shaping member and the pressure member. The 3D display lens forming unit shapes the transparent layer that is an outermost layer on the sheet into a stereoscopic display lens by transferring the surface unevenness of the uneven portion of the shaping member to the transparent layer formed on the sheet.

Image forming apparatus and method for controlling the same

An image of a color misregistration detection pattern is formed, and the amount of color misregistration is detected by reading of the pattern image. The amount of color misregistration detected by a detecting unit and the delay time from the time when image data is requested to the time when the image data is output are stored. The color misregistration is corrected based on the stored delay time and amount of color misregistration.

Image forming apparatus and cleaning method

An image forming apparatus comprising: a first image bearing member; a second image bearing member on which a toner having at least a particle diameter or a circularity different from that of the toner supplied to the first image bearing member is supplied, coming into contact with, further upstream than a contact position between the first image bearing member and a recording medium or a transfer member; a first transfer member; a second transfer member; a printing-information acquiring section which acquires single color printing information; a printing determining section which determines, whether the executed printing in the single color exceeds a reference; a toner-image forming section which forms the toner image on the second image bearing member if the printing in the single color exceeds the reference; and a transfer-bias applying section which applies the bias to the first transfer member and the second transfer member, transfer the toner image formed on the second image bearing member, and move the toner from the toner image on the recording medium or the transfer member onto the first image bearing member.

Developer storage container, image forming unit and image forming apparatus

A developer storage container includes a developer storage portion in which a developer is stored, the developer storage portion having a wall, a rotating body rotatably provided in the developer storage portion, and an agitating plate that engages the rotating body and agitates the developer at least in the vicinity of the wall.

Charge director injection system

A charge director injection system includes a charge director tank, a liquid toner tank, a charge director pump to pump charge director from the charge director tank into the liquid toner tank, and a control system configured to measure a change in charge density per amount of charge director injected into the liquid toner tank, and create a charge profile indicating a relationship between amount of charge director injected into the liquid toner and change in charge density of the liquid toner within the liquid toner tank.

Toner cartridge and image forming apparatus for mounting the same

A toner cartridge in a bottle shape for storing toner is composed of a first cylindrical portion having a blocked bottom wall at one end and an opening at the other end and a second cylindrical portion in which one end thereof is connected to the opening, and an opening for ejecting toner is formed at the other end, and the outside diameter thereof is smaller than the first cylindrical portion.

Electrostatic image developing carrier, electrostatic image developer, image-forming method, developer cartridge, process cartridge, and image forming apparatus

An electrostatic image developing carrier includes a core particle and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one compound selected from boric acid and boric acid derivatives.

Empty bottle detection using a one time foil seal

An image forming apparatus comprises a controller that stores instructions, which cause the image forming apparatus to determine a characteristic measurement in response to a toner cartridge being partially inserted into the image forming apparatus. A pair of spaced apart sensors included on the image forming apparatus each contact an outer cross-sectional surface of a film on a delivery aperture of the toner cartridge. The image forming apparatus further includes an auger having at least one sensor for conducting a characteristic measurement on the film. The characteristic measurement corresponds to criteria programmed in the image forming apparatus for determining if the toner cartridge has a full toner level or a partially full (or low) toner level.

Fuser system and heat source power circuit

A printing system fuser is presented with an AC-AC power circuit using a pair of high speed pulse width modulated switches and low speed switching devices for flyback current conduction for powering a fuser heating element, and power factor control system and techniques are presented for adapting AC-AC converter control for powering one fuser heating element at least partially according to angle control switching of another fuser heating element to control fuser power factor.

Image forming apparatus

An image forming apparatus includes an image bearing member to bear a toner image, a waste toner storage mechanism to store residual toner, and an intermediate transfer unit detachable from the image forming apparatus. The intermediate transfer unit includes an intermediate transfer member onto which the toner image is transferred, a cleaning device to remove residual toner remaining on the intermediate transfer member after the toner image is transferred to a recording medium, and a connecting mechanism to connect the cleaning device and the waste toner storage mechanism. The connecting mechanism includes a movable connecting tube and a moving device to move the connecting tube between a first position at which the connecting tube engages the cleaning device and the waste toner storage mechanism, and the second position at which the connecting tube separates the cleaning device from the waste toner storage mechanism.

Actuation device for pressure rollers

In a device for moving a plurality of pressure rollers relative to respective counter rollers in a printing machine, it is possible to provide a simple design of this device, wherein, in a non-energy mode, the pressure rollers are arranged in a non-contact position. For this purpose, the device comprises a plurality of movably supported pressure roller carriers that each support one pressure roller, said pressure roller carriers being movable between a contact position and a non-contact position. In this arrangement, each of the pressure roller carriers is biased in the direction of the contact position via a biasing unit. Furthermore, at least one actuation element is provided, said actuation element connecting at least two pressure roller carriers to a shared actuation device.

Image forming device

An image forming device, comprising: a sheet-like medium accommodation unit; a supply member that carries a sheet-like medium; a pair of separation members that separate the sheet-like medium one by one; an image formation unit; a carrying path; a re-carrying unit to move inversely the sheet-like medium whose top face has been subjected to printing; a moving mechanism to move the supply member close to or away from the sheet-like medium and to move the pair of separation members close to or away from each other so that a path for the inversely carried sheet-like medium is formed; and a control unit to control the moving mechanism such that, when back-face printing is performed, the supply member is in a state of being moved away from the sheet-like medium and the pair of separation members are in a state of being moved away from each other.

Image forming device, information processing device, and recording medium storing n-up printing program

An image forming device includes: a storing unit that stores image data of plural pages, an operating unit and a setting unit that sets the number of sheets used for N-up printing of the plural pages. A determining unit determines the number of pages aggregated on a single side of a single sheet when N-up printing is performed using the number of sheets set by the setting unit. An orientation selecting unit selects a paper orientation that lowers a reduction ratio of a page when N-up printing is performed on the number of pages determined by the determining unit. An image forming unit uses the image data stored in the storing unit to form images of the plural pages onto sheets according to the number of sheets set by the setting unit, the number of pages determined by the determining unit, and the selected paper orientation.

Image Forming Apparatus, Toner Usage Evaluation Method, and Computer-Readable Non-Transitory Recording Medium Storing a Toner Usage Evaluation Program

Provided is an image forming apparatus including a reference image generating unit and a toner usage evaluation unit. The reference image generating unit is configured to convert a subject image into a reference image having a data amount smaller than the subject image. The toner usage evaluation unit is configured to obtain a usage of toner for printing the subject image based on the reference image.

Image Forming Device

An image forming device, comprising: an endless belt stretched by a plurality of rollers; and a detection sensor located to face one of the plurality of rollers while sandwiching the endless belt between the detection sensor and the one of the plurality of rollers, the detection sensor reading information formed on the endless belt through use of reflection of light. A recessed part is formed, to catch foreign particles, on the one of the plurality of rollers at a position which is shifted in an axis direction of the one of the plurality of rollers with respect to a detection area on the endless belt to which light from the detection sensor is irradiated

Developing device and image forming apparatus including the same

A developing device 2 includes a developer collecting guide member 128 for carrying a residual developer on the surface of a developing roller 114 in a direction from the developing roller 114 to a carrying member 112 , the developer collecting guide member 128 including (i) a first inclined plane 128 b that guides the residual developer to a position in a carrying path P which position is between a first side wall 117 and a rotary shaft of the carrying member 112 and (ii) a second inclined plane 128 c which has a smaller angle of inclination than the first inclined plane 128 b and guides the residual developer to the carrying path P, the second inclined plane 128 c having an end section present downstream in a developer guiding direction, the end section reaching a position between the side wall 111 a and the rotary shaft, and tapering in area to the end section.

Image heating member, and image heating apparatus having image heating station

A rotatable image heating member for pressing against a pressure to form a nip for heating an image on a recording material; a heat generation layer for generating heat by electric power supply thereto, the heat generation layer being disposed at a position inside an end of the nip with respect to a rotational axis direction of the image heating member; an electric energy supply layer for electric energy supplying to the heat generation layer, the electric energy supply layer being provided at an end of the heat generation layer and electrically connected with the heat generation layer; an elastic layer provided outside the heat generation layer at a position inside an end of the nip with respect to the rotational axis direction; a surface layer provided outside the elastic layer and extending to an outside of the end of the nip so as to cover a part of the electric energy supply layer.

Electrophotographic photoreceptor, image forming method, image forming apparatus, and process cartridge for image forming apparatus using the photoreceptor

An electrophotographic photoreceptor, including an electroconductive substrate; a charge generation layer; a hole transport layer; and a hole transportable protection layer being a three-dimensional crosslinked film formed by irradiating at least a radical polymerizable hole transportable compound with UV to be chain-polymerized, layered in this order, wherein the hole transportable protection layer comprises a silole compound having the following formula (1): wherein each of R 1 and R 2 represents a monovalent alkyl group having 1 to 4 carbon atoms or a monovalent phenyl group; Each of Ar1 to Ar4 represents a phenyl group, a naphtyl group and a biphenylyl group or a phenyl group, a naphtyl group and a biphenylyl group substituted with a monovalent alkyl group having 1 to 4 carbon atoms and a trifluoromethyl group; and R 1 , R 2 and Ar 1 to Ar 4 adjacent to each other optionally connect with each other to form rings.

Image forming apparatus

An image forming apparatus includes a rotatable image bearing member including an electroconductive base member and a photosensitive member formed on the electroconductive base member; a contact charging device for electrically charging the photosensitive member; a DC voltage applying device for applying a DC voltage to the contact charging device; an exposure device for exposing the charged photosensitive member to light; and a current detecting device for detecting a current passing from the contact charging device to the electroconductive base member of the image bearing member. The image forming apparatus includes a control device capable of executing an operation in a humidity detecting mode in which an area of the photosensitive member is electrically charged by applying a DC voltage to the contact charging device and the photosensitive member is rotated without exposing the area to the light by the exposure device and then the area is electrically charged again by applying the DC voltage to the contact charging device. The control device detects information on a humidity on the basis of a current detected by the current detecting device when the area is electrically charged again by applying the DC voltage to the contact charging device.

Development device, processing unit and image forming apparatus

A development device includes a developer carrier configured to carry on a surface thereof a developer, the developer carrier being disposed to face a latent image carrier, a developer tank having the developer carrier, a developer container configured to house the developer to be supplied to the developer tank, the developer container being connected to the developer tank through a partition having an opening, and a developer carrier member configured to carry the developer in the developer container, the developer being supplied to the developer tank from the opening while being carried by the developer carrier member, and the amount of developer to be supplied to the developer tank from the opening being gradually increased in a developer carrying direction of the developer carrier member.

Endless belt for electrophotographic device

An endless belt for an electrophotographic device having high degrees of flexibility and wear resistance in a surface portion of the elastic layer is provided. The endless belt for an electrophotographic device, includes a base layer, and an elastic layer which is formed on a surface of the base layer, by using a rubber composition including at least one rubber material and at least one inorganic filler in which the elastic layer has 40-75% by mass of a total organic component, and a product P of an indentation Young's modulus (MPa) α and a fracture strain (%) β that is within a range of 6000-50000.

Image forming apparatus, information processing apparatus, image forming system, and image forming method

According to one embodiment, an image forming apparatus includes: an input section configured to input information to be printed; a first printing section configured to perform printing with a toner unerasable by an erasing device; a second printing section configured to perform printing with a toner erasable by the erasing device; and a control section configured to control the image forming apparatus to print, using the first printing section, at least a keyword stored in a storing section in advance among the information to be printed input by the input section and control the image forming apparatus to print, using the second printing section, information not printed by the first printing section.

Method and Arrangement For Inking Up an Applicator Element of an Electrophotographic Printer or Copier

In a method or system for generation of a toner image layer with a preset layer thickness on a surface of a photoconductor, the two-component mixture of electrically charged toner particles and carrier particles is directed on an auto-surface of a roller adjacent a surface of an applicator element to be inked. At least a portion of the toner particles is transferred onto the surface of the applicator element. An electrical field is generated that exerts at least one force on a portion of the electrically charged toner particles between the roller and the applicator element. A strength of the electrical field is varied to adjust a layer thickness of a layer of the toner particles transferred onto the surface of the applicator element and thus to adjust a thickness of the toner image layer on the photoconductor. A measurement arrangement detects a thickness of at least one region of the toner image layer inked on the surface of the photoconductor as a real value. The determined real value is compared with a desired value determined by a preset layer thickness, and a strength of the electrical field is controlled dependent on a deviation of the determined real value from the desired value.

Developing Apparatus and Developer Cartridge

A developing apparatus includes a developing roller and a feed roller accommodated in a developing chamber of a developing frame, a first agitating member accommodated in a storing chamber of the developing frame for agitating the developer by rotating in a prescribed rotational direction while moving the developer in the rotational direction, a second agitating member accommodated in a developer accommodation chamber of a developer cartridge, a wall portion provided between the storing chamber and the developer accommodation chamber and formed with an opening for circulating the developer between the storing chamber and the developer accommodation chamber to face the storing chamber on a position above the upper end portion of the feed roller, and a conveyance member arranged between the opening of the wall portion and the developer accommodation chamber for conveying the developer in an axial direction of the developing roller.

Two component developer storage product and method of filling two component developer

A two component developer storage product to replenish a two component developer containing at least toner and carrier includes: a cylindrical container having an opening at one end thereof; a lid to close the opening; a toner layer stored in the cylindrical container; and a carrier layer stored in the cylindrical container; wherein the toner layer and the carrier layer are stacked, and the cylindrical container has a spiral projection on an inner spherical surface thereof, and is configured such that when the cylindrical container is rotated, the toner layer and the carrier layer are conveyed by the spiral projection and toner and carrier are discharged from the opening.

Fixing devices including extended-life components and methods of fixing marking material to substrates

Fixing devices including extended-life components and methods of fixing marking material to a substrate are provided. An exemplary embodiment of the fixing devices for fixing toner to a substrate in printing includes a first fixing member including a first surface; a thermal energy source for heating the first surface of the first fixing member to a fixing temperature; and a second fixing member including a second surface. The first surface and the second surface form a fixing nip configured to receive a substrate including a surface and marking material comprising toner disposed on the surface. The first fixing member and the second fixing member are operable to apply a pressure of at least about 300 psi to the substrate and toner and to heat the toner to a sufficiently-high temperature, at the fixing nip, to fix the toner to the substrate.

Fixing device and image forming apparatus

A fixing device includes a fixing rotation body heating and fixing an unfixed image onto a recording medium; a pressing rotation body pressing the recording medium to the fixing rotation body; and a temperature detection unit detecting a temperature of the pressing rotation body. Further, when a predetermined time period elapses since a warm-up operation has started before a temperature detected by the temperature detection unit is equal to or greater than a predetermined temperature or when the temperature detected by the temperature detection unit is equal to or greater than the predetermined temperature before the predetermined time period elapses since a warm-up operation has started, the fixing device determines that the warm-up operation is finished.

Image forming apparatus

An image forming apparatus includes an image bearing member to bear a latent image on a surface thereof, a developing unit to develop the latent image on the image bearing member with toner, a driving unit to drive the developing device, a storage unit to store a cumulative travel distance of the developing roller at predetermined timing, a total travel distance of the developing unit, and control conditions for the developing unit, a controller to obtain a difference between the total travel distance of the developing roller and the cumulative travel distance up to a predetermined point in time in image forming operation and to instruct intermittent printing in which continuous printing is limited to a certain number of pages in a predetermined time period when the difference is equal to or greater than a threshold travel distance, and an operation unit in which the control conditions are set.

Image forming apparatus

An image forming apparatus includes a first photosensitive member and a second photosensitive member that form images having different colors, a transfer belt that transfers the images formed on the first photosensitive member and the second photosensitive member onto a recording sheet, a first motor that rotatingly drives the first photosensitive member and the transfer belt, and a second motor that rotatingly drives the second photosensitive member. After the startup process of the first and second motors has been completed, the rotation speed of the second motor is controlled while maintaining the rotation speed of the first motor unchanged so that the second rotation phase of the second photosensitive member rotatingly driven by the second motor is the same as the first rotation phase of the first photosensitive member rotatingly driven by the first motor.

Charging apparatus using charging tube and image forming apparatus having the same

A charging apparatus including a charging tube which has an outer surface contacting a photoconductive medium and electrically charges a surface of the photoconductive medium, a shaft which is disposed in the charging tube and to which a charging voltage is applied, and a conductive member which is connected to the shaft and contacts an inner surface of the charging tube. A friction coefficient between the conductive member and the inner surface of the charging tube may be less than a friction coefficient between the photoconductive medium and the outer surface of the charging tube, so that a slip phenomenon of the charging tube is prevented.

Power-supply controller circuit and image forming apparatus including the same

A power-supply controller circuit includes: a power-supply switch unit configured to output an ON-signal when manually operated; a switching unit configured to switch ON and OFF an output voltage to a controller unit in response to the ON-signal of the power-supply switch unit; a latching unit configured to latch an ON-state of the switching unit, when the power-supply switch unit outputs an ON-signal under a condition where the switching unit is in an OFF-state; and the controller unit configured to control an unlatching signal to unlatch the ON-state latched by the latching unit when the latching unit is in the ON-state and detects the ON-signal sent from the power-supply switch unit.

Image forming apparatus and toner concentration sensor

An image forming apparatus includes a toner carrier, a toner image forming unit, and a toner concentration sensor. The toner carrier includes a transparent film. The toner image forming unit forms a toner image onto the toner carrier. The toner concentration sensor senses the concentration of toner on the toner carrier. The toner concentration sensor includes first and second light emitting elements and a light receiving element. The light emitting elements each radiate light directly or indirectly to the toner carrier. The light receiving element receives reflecting light originating from the light emitting elements. The first light emitting element radiates light having a wavelength of a predetermined reflectance resulting from direct radiation to the toner carrier. The second light emitting element radiates light having a wavelength that causes a lower reflectance resulting from direct radiation to the toner carrier than a reflectance resulting from radiation to the toner.

Image forming apparatus

An image forming apparatus includes a developer image forming portion for forming a developer image; a primary transfer member for transferring the developer image to an intermediate transfer member; a secondary transfer member for transferring the developer image to a recording medium; a medium transportation unit for transporting the recording medium to a secondary transfer position; a contact cleaning member for cleaning the secondary transfer member; a voltage control unit for applying a transfer voltage to the primary transfer member and the secondary transfer member; and a control unit for controlling the developer image portion, the primary transfer member, the secondary transfer member and the medium transportation unit. The control unit is arranged to perform a developer discarding operation, in which the developer image portion forms a discard developer image, and the discard developer image is transferred to the intermediate transfer member and to the secondary transfer member.

Development device and image forming apparatus incorporating same

A development device includes a developer bearer to carry the developer to a development range, a magnetic field generator disposed inside the developer bearer for generating magnetic force, a developer regulator for adjusting an amount of the developer, a developer supply compartment disposed adjacent to the developer bearer, separated by a side wall from a portion where the developer bearer is provided, a developer agitator provided in the supply compartment, and a blocker disposed above the side wall of the supply compartment across a supply gap through which the developer moves from the supply compartment. The magnetic field generator has an attraction magnetic pole and a regulation magnetic pole. The blocker prevents the developer blocked by the developer regulator from moving along a magnetic force line of the regulation magnetic force toward the circumferential surface of the developer bearer.

Fixing Device

A fixing device for thermally fixing a developing agent image to a sheet including: a fusing member; a heater; a nip member; a reflection member; a stay; and a backup member. The fusing member has an inner peripheral surface defining an internal space and is circularly movable. The heater is disposed in the internal space and radiates a radiant heat. The nip member is disposed in the internal space. The inner peripheral surface is in sliding contact with the nip member. The reflection member including a reflection portion and an extending portion reflects the radiant heat from the heater toward the nip member. The stay covers the reflection portion and supports the nip member. The extending portion extends outside of the stay. A backup member provides a nip region in cooperation with the fusing member upon nipping the fusing member between the backup member and the nip member.

Image forming system

An image forming system includes a color image forming apparatus including: a color image forming portion for forming a color toner image on a surface of a recording material; a first fixing device including a first fixing member for fixing the color toner image on the surface of the recording material by heating, at a first fixing portion, the surface of the recording material on which the color toner image is formed immediately before by the color image forming portion; a second fixing device including a second fixing member for heating, at a second fixing portion, the surface of the recording material heated immediately before by the first fixing member; and a switching mechanism for switching a conveyance direction of the recording material passing through the first fixing portion to a direction toward the second fixing portion and to a bypass direction of the second fixing portion; a transparent image forming apparatus including: a transparent image forming portion capable of forming a transparent toner image on the surface of the recording material on which the color toner image is fixed by the color image forming apparatus; and a third fixing device including a third fixing member for fixing the transparent toner image on the surface of the recording material by heating, at a third fixing portion, the surface of the recording material on which the transparent toner image is formed immediately before by the transparent image forming portion; and a controller for controlling the switching mechanism so that the conveyance direction of the recording material is, when the surface of the recording material on which the color toner image is formed immediately before by the color image forming portion is to be subjected to formation of the transparent toner image by the transparent image forming apparatus, switched to the bypass direction of the second fixing portion and so that the conveyance direction of the recording material is, when the surface of the recording ...

Image forming system

An image forming system includes a non-transparent image forming apparatus, a transparent image forming apparatus, and a controller for controlling a combination of a non-transparent image formation process and a transparent image formation process for both sides of a recording material so that the numbers of heating operations to which outermost layers of final fixed images are subjected to a first image heating device in the non-transparent image forming apparatus and second image heating device in the transparent image-forming apparatus are the same.

Image formation device

An image formation device is configured such that a length of a sheet feed path from a sheet accommodation unit to a sheet detection unit is greater than the sheet distance for a predetermined type sheet that has substantially the same sheet length as a maximum size sheet employable in the image formation unit. A sheet length of the sheet fed by the sheet feed mechanism is measured. If the sheet length of a firstly fed sheet, which is fed in response to an image formation instruction and measured by the measuring unit, is equal to the sheet length of the predetermined type of sheet, the control unit feeds a subsequent sheet with the sheet distance corresponding for the maximum size sheet between a trailing end of the previously fed sheet and the leading end of the subsequent sheet.

Image processing apparatus, image forming apparatus, and image processing method

An image processing apparatus for an image forming apparatus including a line head array that forms an image by illuminating one or more illumination elements in correspondence with image data. The image processing apparatus includes a detection part configured to detect a linear image extending in a sub-scanning direction in the image data, and an adjustment part configured to adjust a density of the linear image so that the energy used in illuminating the one or more illumination elements for forming the linear image is reduced compared to the energy used in forming the linear image without adjusting the density of the linear image.

Image carrier and image forming apparatus therewith

An image carrier includes: a support that circulatively rotates, a plurality of pixel electrodes; a plurality of switches that are placed like a matrix on the support in a one-to-one correspondence with the pixel electrodes; a plurality of scan signal lines that are provided on the support so as to extend along the rotation axis direction of the support for transmitting a scan signal for selecting; a plurality of latent image forming signal lines; a plurality of signal leads that are provided on the support so as to extend in the rotation axis direction of the support; a scan signal supply device that are provided in an end part other than the pixel electrode placement area; and a latent image forming signal supply device that are provided in an end part other than the pixel electrode placement area.

Printing device and print job control method

A printing device includes a receiving part receiving print job data, an analysis part, a memory part, an image forming part that executes a print process of image information using first and second consumable products and that includes a remaining amount detecting part, and a print control unit that controls the print process. When the remaining amount of the first consumable product is detected to be lower than a predetermined amount, the print process using the first consumable product is temporarily suspended, the memory part stores the image information and the print information of the print job data that are sequentially received by the receiving part. When the print information for another print process not using the first consumable product is stored in the memory part, the print control unit deletes information relating to the print job data of the suspended print process.

Electrophotographic Imaging Member and Method of Making Same

Disclosed herein is an electrophotographic imaging member comprising a substrate, and a charge generating layer containing a phthalocyanine pigment, a binder, and a solvent. The charge generating layer has a pigment particle separation distance of 28 nm or less after evaporation of the solvent. A coating system, a method of making an electrophotographic imaging member, and a method of printing also are disclosed.

Toner, developer, image forming method and image forming apparatus

A toner containing toner particles, each toner particle containing: a releasing agent; a colorant; and a binder resin containing at least a crystalline polyester resin and a non-crystalline polyester resin, wherein in the case where a volume average particle diameter of the toner is defined as Dv, the toner contains a group of the toner particles having 4/5Dv, and a group of the toner particles having 6/5Dv, and wherein an endothermic value A of the crystalline polyester resin at a first temperature increase in DSC of the toner, an endothermic value B of the crystalline polyester resin at a first temperature increase in DSC of the group of the toner particle having 4/5Dv, and an endothermic value C of the crystalline polyester resin at a first temperature increase in DSC of the group of the toner particles having 6/5Dv satisfy the relation represented by the following formulas: 50<( B/A )×100<90, and 110<( C/A )×100<150.

Image forming apparatus

An image forming apparatus which forms an image by forming an electrostatic latent image on a photosensitive member with a laser beam, developing the electrostatic latent image with a developer to obtain a developer image, and transferring the developer image to a sheet, the image forming apparatus including: a light source which outputs the laser beam for exposing the photosensitive member; a PLL circuit which generates a multiplied clock that is obtained by multiplying a reference clock; a pulse-width modulating circuit which outputs a pulse-width-modulated signal based on image data and the multiplied clock in order to drive the light source; and a CPU which obtains image data to be input to the pulse-width modulating circuit and, when it is unnecessary to output the pulse-width-modulated signal based on the obtained image data, controls the PLL circuit so as not to generate the multiplied clock.

Emulsion aggregation toners having flow aids

The present disclosure provides processes for producing toners. In embodiments, flow aids are added to a wet cake including the toner particles, prior to drying. The addition of the flow aid improves flow characteristics of the toner, thereby enhancing overall drying time, reducing the amount of coarse particles, and improving yield, without adversely affecting fusing and charging of the toner particles.

Image forming apparatus

In an image forming apparatus including a plurality of image forming portions which respectively has a photosensitive drum, a charging roller, an exposure device, a development device, and a primary transfer roller which transfers a toner image developed to the drum to an intermediate transfer belt, for example, surface potential (On-image Vback) of a part overlapping a toner image to be formed at the image forming portion at the downstream of the belt movement direction from the image forming portion is set to be smaller than surface potential (i.e., Center Vback) of another part among surface potential (i.e., fog removal potential) of a non-image part of the photosensitive drum disposed to the image forming portion.

Toner cartridge storing control data for an image forming apparatus

An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information.

Toner container

A toner container installed in an image forming apparatus includes a toner container main body having a predetermined length and in which toner is accommodated, a discharge port through which the toner is discharged from the toner container main body, a shutter which opens and closes the discharge port, a handle provided on the toner container main body, and a pressed portion provided on the toner container main body and which is pressed by the image forming apparatus to project the handle out from the image forming apparatus.

Fuser member

The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polyimide polymer and a hydroxyl terminated polybutadiene. A method of manufacturing a fuser member containing a polyimide polymer and a hydroxyl terminated polybutadiene is presented.

Image forming apparatus

A light sensor generates a detection signal upon receiving laser light. A rotation sensor generates a rotation signal in synchronization with rotation of a polygon motor. A mirror-rotation-signal generating section generates a mirror rotation signal, based on the detection signal. A motor-rotation-signal generating section generates a motor rotation signal, based on the rotation signal. A phase-difference measuring section measures a phase difference between the motor rotation signal and the mirror rotation signal A prediction-signal generating section generates a prediction signal that is delayed from the motor rotation signal by the phase difference. A switching section switches a control mode between: a mirror control mode in which the mirror rotation signal is used to control a rotational speed of the polygon mirror; and a prediction control mode in which the prediction signal is used to control the rotational speed. A motor driver drives the polygon motor in the selected control mode.

Image forming apparatus

An image forming apparatus includes: a photoconductor; a charger configured to charge the photoconductor, the charger having a discharge wire and a grid; a charge-voltage applying device configured to generate charge voltage and apply the charge voltage to the discharge wire; and an abnormal-discharge detector provided between an output end portion of the charge-voltage applying device and the ground. The abnormal-discharge detector is configured to detect an abnormal discharge occurring in the charger by detecting an abnormal current passing via the grid and the ground upon occurrence of the abnormal discharge.

Intermediate transfer member and image forming apparatus using the same

An intermediate transfer member including a base layer as first layer, an elastic layer as second layer, and a particle layer as third layer and containing fine spherical particles arranged in plane direction thereof where the particle layer has a concavo-convex pattern formed by the fine spherical particles, the elastic layer and the particle layer being formed on the base layer in this order, wherein the intermediate transfer member has a Martens hardness of 1.0 N/mm 2 or lower and an elastic recovery rate of 75% or higher when the intermediate transfer member is indented at a load of 40 mN under conditions of 25° C. and 50% RH, wherein an embedment rate of the fine spherical particles in the elastic layer is 33% to 99%, and wherein the intermediate transfer member is configured to receive a toner image formed by developing, with a toner, a latent image on an image bearing member.

Fixing device, fixing device control method, and image forming apparatus

A fixing device includes a heat roller, a heater, a fuser roller, an endless, fuser belt, a pressure roller, a first thermometer, and a controller. The heat roller has a surface thereof subjected to heating. The heater is disposed in the heat roller to heat the circumference of the heat roller to an adjustable, heating temperature. The fuser roller is disposed parallel to the heat roller and has a surface thereof formed of elastic material deposited upon a cylindrical core of metal. The fuser belt is looped for rotation around the fuser roller and the heat roller. The pressure roller is disposed opposite the fuser roller with the fuser belt interposed between the pressure roller and the fuser roller. The first thermometer detects a first temperature at the cylindrical core of the fuser roller. The controller adjusts the heating temperature according to the first temperature being detected.

Image Forming System and Image Forming Apparatus

In an image forming apparatus, a page data generation unit is configured to generate page data of a job list screen that includes a link to the page data of a detailed information screen on an uncompleted job. The detailed information screen is a screen that displays the status of one job determined by a job status management unit. The page data generation is further configured to (A) generate the page data of a job request screen, and (B) if the job receipt unit receives a job that is requested based on the page data of the job request screen, generate the page data of a receipt-confirmation screen that includes a link to the page data of the detailed information screen on the received job.

Image forming apparatus

An image forming apparatus includes: a development member carrying developer for forming a toner image on an image carrier; a cleaning member in contact with the development member for removing the developer left on the development member; a carrying member provided in contact with the development member, for carrying the supplied developer to the development member; a driving part driving at least one of the carrying member and the development member; and a regulating mechanism for separating the cleaning member and the development member from each other. The driving part causes preliminary rotation of the development member and the carrying member with the cleaning member separated from the development member, before starting main rotation for image formation.

Image forming system

An image forming system of a series-connected tandem configuration includes a plurality of image forming apparatuses connected in series, and when a job in a both-side mode in which images are formed on both sides of a sheet is executed, one of the image forming apparatuses forms an image on one side of the sheet, and an image forming apparatus different from the image forming apparatus forming the image on the one side forms an image on the other side of the sheet. The image forming system comprising a control section for managing execution of a job of each of the image forming apparatuses, receiving an execution reservation of each of a plurality of jobs, managing the received jobs as reservation jobs, selecting a reservation job for which the image forming apparatuses operate concurrently among the reservation jobs, and preferentially executing the selected reservation job.

Imaging System And Method

An intermediate transfer member ( 34 ) (ITM) transfers ink solids from an image bearing surface to a substrate. The ITM has an outermost surface having an absorptivity of less than or equal to about 5 percent when measured after 36 hours of immersion in Isopar L at 100 degrees Celsius. An imaging liquid developer system ( 22 ) deposits the ink solids and an ink solids carrier onto the outermost surface of the ITM, wherein the imaging liquid developer system ( 22 ) is configured to supply the ink solids carrier at a reduced thickness or reduced density as compared to more absorptive ITMs.

Intermediate transfer member

There is disclosed an intermediate transfer member comprising a belt comprising conductive particles dispersed in a thermoplastic polymer. The thermoplastic polymer is selected from the group consisting of polyimide, polyamideimide, polyetherimide, polycarbonate, polysulfone, polyethersulfone, polyphenylsulfone, polyester, polyphenylsulfide and polyamide. The belt has a welded seam. There is an overcoat disposed over the welded seam comprising a material selected from the group consisting of polyphenylsulfone, polysulfone and polyethersulfone. A method of manufacturing the intermediate transfer member is provided.

Image forming apparatus and control method thereof

An image forming apparatus includes a display device that displays an input screen image and a touch-panel arranged on the display device, and has a trial copy function of producing, when instructed to produce multiple copies of a document, a copy or copies to allow the user to confirm that the copy or copies are well. When the trial copy function is designated and a copy start key displayed on the input screen image is pressed, the image forming apparatus produces one copy or copies of the document, erases the copy start key from the input screen image, and displays a trial copy key, a trial end key and a balloon including help information. Since keys related to the trial copy are displayed in place of normally displayed keys, operation errors can be reduced and the user can easily execute the trial copy function.

Operating device and image forming apparatus

An operating device to operate an electronic device, includes: a display that displays a status of the electronic device; an execution part that restarts an operation of the electronic device; and a stoppage part that stops the operation of the electronic device, the display and the execution part being provided as a group, and the stoppage part being provided away from the display and the execution part.

Housing unit and image forming apparatus

A housing unit includes: a first housing that contains a cylindrical image holder; a second housing that contains a fuser unit for fixing an image to a recording medium by a heat roller; a protruding unit that protrudes outwardly from a surface of the first housing, which surface faces a circular surface of the image holder; a heat resistant member that is formed of a material having heat resistance higher than that of the protruding unit, and covers the protruding unit; a metallic supporting unit that supports an end of the heat roller; a connecting unit that is formed on the supporting unit and is shaped to contact and fit the heat resistant member; and a fixing unit that fixes the first housing to the second housing at such a position that the connecting unit is fitted to the heat resistant member.

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

To provide an electrophotographic photoreceptor including the outermost surface layer formed from a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule and a chain transfer agent having a sulfur atom in a molecule, in which the reaction rate of the compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule is about 90% to about 100% and the charge mobility of the cured film at an electric field intensity of 1.0×10 5 v/cm is from about 5.0×10 −7 cm 2 /Vs to about 1.0×10 −4 cm 2 /Vs.

Electrostatic image developing toner and producing method of the same

A method of producing an electrostatic image developing toner comprising toner particles comprising a binder resin containing at least a non-crystalline polyester resin having a crosslinking structure and a crystalline polyester resin, the method comprising the steps of (a-1) preparing a crystalline polyester resin particle aqueous dispersion liquid; (a-2) preparing a polymerizable unsaturated non-crystalline polyester resin aqueous dispersion liquid; (b) preparing crosslinking non-crystalline polyester resin particles by adding a radical polymerization initiator to the aqueous dispersion liquid of particles containing the non-crystalline polyester resin having a polymerizable unsaturated bond; (c) preparing core particles by aggregating at least the particles containing the crystalline polyester resin in an aqueous medium; and (d) preparing a shell layer containing the non-crystalline polyester resin having a crosslinking structure by fusing the particles containing the non-crystalline polyester resin having a crosslinking structure on surfaces of the core particles in an aqueous medium.

Toner bottle presence and level sensing using weight

An image forming apparatus is adapted to distinguish a presence between a full and a partially-full toner cassette. The image forming apparatus includes a load cell positioned in a developer station. The load cell is adapted to sense a mass of a toner cassette at least during an insertion of the toner cassette into the apparatus. A processor is adapted to determine a toner volume contained in the toner cassette based on a mass differential. A controller is adapted to drive or suspend a motor in the developer station to control an operation of the image forming apparatus. The controller controls the operation based on the toner volume.

Recording-material identifying apparatus and image forming apparatus

By providing a step in a pressing member for pressing a recording material P to a reading surface of an image-pickup unit, surface images in a tight contact area and a non-tight-contact area are picked up. By identifying the type of the recording material P based on the two surface images, the accuracy of identifying the recording material is improved without using a plurality of sensors.

Fusing device and image forming apparatus having the same

An image forming apparatus including a fusing belt, a pressure roller disposed to face the fusing belt so as to press a recording medium onto the fusing belt, a nip forming member to support an inner surface of the fusing belt so as to form a fusing nip along with the pressure roller, and a heat source disposed inside the fusing belt to simultaneously apply radiant heat to the fusing belt and the nip forming member. The nip forming member includes a hill portion, which is located to one side thereof farther downstream in a movement direction of the recording medium and protrudes toward the hill portion. The hill portion causes the recording medium, which has curled in a given direction, to be bent in an opposite direction immediately prior to exiting from between the nip forming member and the pressure roller, thereby reducing curling of the recording medium.

Magnetic toner compositions

The present disclosure relates to a process for preparing a polyester based magnetic toner composition. The toner composition includes one or more polyester amorphous binder resins, optionally a cystalline polyester resin, and spherical ferromagnetic particles. In embodiments, the toner is prepared from ferromagentic particles that have been previously encapsulated in an amorphous resin, a crystalline resin or a wax. In yet other embodiments, the process may be conducted under an inert gas such as argon to avoid oxidation of the ferromagnetic particles during toner preparation.

Image forming apparatus

A control unit decreases the potential difference according to an increase in the drive amounts of the image bearing member and the developer bearing member, based on a first information about a drive amount of the image bearing member and second information about a drive amount of the developer bearing member, in a case that an integrated value of the first information and the second information from initial installation or replacement of the developing device is greater than a predetermined value.

Image forming apparatus

An image forming apparatus includes an intermediate transfer belt unit and a transfer belt unit each of which has a deviation control mechanism and which are held in contact with each other at a transfer portion, wherein at least a steering roller on which a secondary transfer belt is suspended is situated such that a traction surface thereof does not constitute a transfer surface including a transfer roller.

Image forming apparatus and computer-readable medium stored with image forming program

There is provided an image forming apparatus including: a forming section that, based on image forming data including image data of an image to be formed on paper and paper data relating to the paper, forms a toner image according to the image data on paper; a fixing section that fixes the toner image formed on the paper; a switching section that on operation switches a fixing pressure of the fixing section; a control section that, when the fixing pressure is switched by the switching section from a first fixing pressure to a second fixing pressure prior to a predetermined condition being satisfied after the fixing pressure has been switched to the first fixing pressure by the switching section, controls to prohibit image forming on paper corresponding to the second fixing pressure different from the first fixing pressure.

Electrophotographically printing job having job type

A method of printing a job having a type using an electrophotographic (EP) printer includes receiving the job and its type. A processor is used to automatically select a first or a second job mode based on the job type; the first job mode indicates aggressive gray component replacement (aGCR) is used but not clear toner, and the second job mode indicates clear toner is used but not aGCR. The data of the job are processed using the processor according to the selected job mode to provide six separations corresponding to respective colorants. Toner corresponding to the six separations is then applied to the receiver using at least one EP printing module in the EP printer to produce a print image of the job.

Image forming apparatus

An image forming apparatus includes a transfer member that retains developer; a housing provided with a removing member that removes the developer and having an intake opening that is opposed to the transfer member, the developer removed by the removing member being taken into the housing through the intake opening; a guiding pipe connected to the housing and having a suction hole through which the developer is sucked and an outlet through which the developer is discharged; and a suction member that applies a suction force to an inner space of the housing through the guiding pipe. A capturing area for capturing the developer that flows through a flow channel from the suction hole to the outlet is provided in the flow channel. A cross section of the capturing area in a radial direction of the flow channel is larger than that of other areas.

Image forming apparatus capable of effectively utilizing interior space

An image forming apparatus comprises a exposure device as a light source, a developer container storing developer and attached to a main body of the image forming apparatus perpendicular to a lengthwise direction of the photoconductor, a developing unit and a photoconductor unit having a photoconductor for bearing a latent image thereon each detachably attached to the main body substantially in the same direction as the developer container. An exposure device displacing mechanism displaces the exposure device between a first position enabling the exposure device to function as the light source and a second position disabling the exposure device to function as the light source. The photoconductor unit is detached when the developer container is either displaced from an initially attached position or is removed from the main body and the exposure device displacing device has displaced the exposure device to the second position.

Powder container, image forming apparatus, and powder container controlling method

A powder container includes a containing portion that has an opening; a first opening/closing member that is movable between a first open position at which the opening is open and a first closed position at which the opening is closed; and a second opening/closing member that is movable between a second closed position at which the second opening/closing member covers an outside of the first opening/closing member and a second open position at which the first opening/closing member is exposed, wherein a direction in which the second opening/closing member moves from the second open position to the second closed position is different from a direction in which the first opening/closing member moves from the first open position to the first closed position, and wherein the second opening/closing member contacts the first opening/closing member and pushes the first opening/closing member into the first closing position when the second/closing member moves.

Image forming apparatus and computer readable medium storing program

An image forming apparatus includes a transfer member onto a front side of which an image is transferred, a rotary member around which the transfer member is wrapped, a guide member provided at an end portion of an axial direction of the rotary member, a regulating member, a first reference mark, a second reference mark, a first detector, a second detector, and a controller. The regulating member is located on a reverse side of the transfer member, and restricts skew of the transfer member by contacting the guide member. The first and second reference marks are on edge sides of the transfer member in the axial direction of the rotary member. The first and second detectors detect the first and second reference marks, respectively. The controller controls alignment of the image on the transfer member in accordance with a detection result of the first and second detectors.

Image forming apparatus and image forming method

An image forming apparatus which includes comprises: a detection unit configured to detect a position where a toner image of a color component other than the color component of the misregistration prevention pattern and the toner image of the misregistration prevention pattern overlap each other on a surface of an image carrier; and a control unit configured to control to form the misregistration prevention pattern on the surface of the image carrier except for the overlapping position detected by the detection unit, and not to form the misregistration prevention pattern at the overlapping position on the surface of the image carrier.

Image forming apparatus and sheet feed control method

An intra discharge type image forming apparatus that uses an ADU to form an image onto both sides of a sheet and discharges the sheet on which an image has been formed to the vicinity of the center of the apparatus has: a sheet type information acquisition section 101 that acquires information concerning a bending rigidity of a sheet to be subjected to double-sided printing in the image forming apparatus as sheet type information; and a feed controller 102 that controls a sheet feed speed in a switchback feed section for sheet switchback feed and ADU based on the sheet type information acquired by the sheet type information acquisition section such that the higher the bending rigidity of a sheet, the lower the sheet feed speed.

Image heating apparatus

An image heating apparatus includes a coil for generating a magnetic flux by a current flowing therethrough; an image heating member having an electroconductive layer in which an eddy current is produced by the magnetic flux by which heat is generated, to heat an image on a recording material; an electroconductive magnetic flux adjusting member movable from a first position and a second position to decrease the eddy current produced in the image heating member by the magnetic flux; a sensor for sensing the temperature of the image heating member; and a controller for controlling electric power supplied to the coil on the basis of an output of the sensor. The controller changes an electric power condition to be supplied to the coil before start of the movement from the first position to the second position of magnetic flux adjusting member.

Transparent intermediate transfer members containing zinc oxide, polyarylsulfone, and polyetheramine

An intermediate transfer member including an optional supporting substrate, and in contact with the supporting substrate in the configuration of a layer a polyarylsulfone, a polyetheramine, and nano-size zinc oxide particles.

Light-emitting chip, light-emitting device, print head and image forming apparatus

A light-emitting chip includes: a substrate; plural light-emitting elements arrayed in line on the substrate, each of the light-emitting elements including a light-emitting region having a length in an array direction of the array different from a length in a direction orthogonal to the array direction; and a light-up current supplying interconnection including plural connecting portions, each of the connecting portions being provided on the light-emitting region of a corresponding one of the light-emitting elements in a shorter direction of the light-emitting region either the array direction or the direction orthogonal to the array direction, each of the connecting portions being connected to an electrode provided on the light-emitting region, the light-up current supplying interconnection supplying a current for lighting up to the plural light-emitting elements through the plural connecting portions.

Imaging forming system

Disclosed is an image forming system including a first image forming apparatus and a second image forming apparatus, the first image forming apparatus including: a first image forming section which performs image formation on a sheet; a first fixing section which performs image fixation on the sheet on which the first image forming section performs the image formation; and a first control section which makes, when the first image forming apparatus and the second image forming apparatus perform the image formation and the image fixation on different sides of a sheet to perform double-sided printing, thereby performing tandem outputting, a tandem-outputting target fixing temperature of the first fixing section lower than a first fudicial temperature which is a non-tandem-outputting target fixing temperature of the first fixing section for when the first image forming performs the image formation and the image fixation alone.

Displaying uncompleted jobs in response to print request

This invention allows a user to immediately grasp the print status of a job only by inputting a print instruction of a job stored and held in an image forming apparatus. This invention also provides a user-friendly apparatus that notifies the user of a predicted time until completion of printing. For this purpose, the image forming apparatus of this invention has a touch panel formed on the display screen of the operation unit. A list of jobs registered in a Hold job list is displayed on the display screen. When the user selects at least one job and touches a “Test print” or “Print” button, the print job is registered in the print execution queue. Simultaneously, a list of unprinted print jobs registered in the print execution queue is automatically displayed.

Image forming apparatus and fixing unit control method thereof

An image forming apparatus including: an image forming unit which forms an image; a fixing unit which fixes the image transferred to a printing medium; a power supply which supplies operation power to the fixing unit; a contactless sensor sensing a temperature of the fixing unit and respectively outputting a sensor-sensing voltage and a sensor-compensating voltage; and a contactless-sensing protector which shuts off the power if the sensor-sensing voltage is higher than the sensor-compensating voltage. The fixing unit can be protected from overheating and control error through the contactless-sensing protector for sensing the fixing temperature and shutting off the power.

Fixing apparatus

A fixing apparatus is capable of executing a first fixing mode for performing fixing processing at a first pressing force and a second fixing mode for performing fixing processing at a second pressing force that is lower than the first pressing force. When a pressing force applied to a fixing nip portion is set to the second pressing force, all of a first heating member pattern on a heater is contained within a contact region between a belt member and the heater, and at least a portion of a second heating member pattern is disposed outside the contact region, so that consumed power is reduced.

Fixing device and image forming apparatus incorporating same

A fixing device includes a rotatable, flexible fuser belt, a heater, a fuser pad, and a pressure member. The fuser belt is looped into a generally cylindrical configuration. The heater is disposed adjacent to the fuser belt to heat the fuser belt. The fuser pad is disposed inside the loop of the fuser belt, and has an outer peripheral surface thereof formed in a generally concave configuration. The pressure member is disposed opposite the fuser pad with the fuser belt interposed between the fuser pad and the pressure member. The pressure member presses in a load direction against the outer peripheral surface of the fuser pad through the fuser belt to form a fixing nip therebetween. The fuser pad includes, along the outer peripheral surface thereof, a protruding portion and an inwardly curved portion adjoining the protruding portion to face an outer circumferential surface of the pressure member.

Powder container, powder processing apparatus using the same, and powder container controlling method

A powder container includes a container body having an opening corresponding to a powder opening of a container receiver; an open/close lid that closes the opening; a first restricting portion inclined to face a contact surface, which is located upstream of the powder opening and inclined with respect to an open/close operation direction of the open/close lid, when the container body is attached to the container receiver, the first restricting portion contacting the contact surface to restrict a position of the open/close lid in the open/close operation direction; and a second restricting portion restricting a posture of the open/close lid with respect to the container receiver in a direction in which the first restricting portion is tilted down toward the contact surface, when the container body is attached to or detached from the container receiver and a press member restricts movement of the open/close lid.

Corona discharger and image forming apparatus

A corona discharger, including a shield for generating corona discharge by applying a voltage to a charging wire, the corona discharger includes a moving portion for moving the charging wire along a stretching direction; a stretching portion for stretching the charging wire through a first charging area, a non-charging area and a second charging area and for folding the charging wire in the non-charging area back into the second charging area, the first and second charging areas being substantially parallel with each other, and a portion of the charging wire disposed in the non-charging area having a length not less than a length of the charging wire disposed in the second charging area; and a controller for controlling the moving portion such that the portion of the charging wire disposed in the non-charging area replaces the portion of said charging wire disposed in the second charging area.

Non-magnetic single component emulsion/aggregation toner composition

A toner composition with a novel surface additive package for developing images. The additive package includes sol-gel silica, a PDMS silica, an organic spacer such as PMMA and HMDS silica. The toner composition exhibits improved control of voltage, higher print density, lower toner amount remaining on the roll, lower toner usage, and reduced drum contamination. The toner composition also exhibits improved dry theological properties. These improved properties make this toner composition useful for higher speed printing while using less toner.

Image transfer blanket

An image transfer blanket usable with an image forming apparatus includes a main blanket body, a plurality of release layers configured to receive and transfer an image, each release layer disposed across from opposites sides of the main blanket body, and a plurality of soft layers configured to conform to a substrate onto which the image is transferred, each soft layer disposed between a respective release layer and the main blanket body.