Prozesskartusche, Verfahren für Zusammenbau von Prozesskartuschen, und Bilderzeugungsgerät

Von einem Bilderzeugungsgerät abnehmbare Arbeitseinheit.

Tonerbehälterverschluss, Tonerbehälter und Arbeitseinheit

Tonerbehälter, Prozesskassette, und Bilderzeugungsgerät

ELECTROSTATIC COPYING

ELECTROSTATIC COPYING

Process cartridge and electrophotographic image forming apparatus

ELECTROSTATIC KOPIERVERFAHREN AND MECHANISM TO WOULD DRIVE THROUGH THIS PROCEDURE.

PROCESS CARTRIDGE, TONER SUPPLY CONTAINER AND TONER SUPPLY METHOD

Process cartridge, process cartridge assembly method, and image forming apparatus

A process cartridge detachably mountable to a main assembly of an image forming apparatus includes a cartridge frame; an electrophotographic photosensitive member; a process device actable on the electrophotographic photosensitive member; a toner accommodating portion for accommodating toner for developing a latent image formed on the electrophotographic photosensitive member; a filling opening for filling the toner to the toner accommodating portion, wherein the filling opening is openably sealed by a cap; a transfer opening for permitting transfer of a toner image formed on the electrophotographic photosensitive member onto a recording material, wherein the transfer opening is provided on the cartridge frame; a protection cover for protecting the electrophotographic photosensitive member; a supporting member for supporting the protection cover so that the protection cover is movable between a protection position in which the protection cover covers the transfer opening and a retracted ...

Image forming apparatus having toner depletion detection feature

An image forming apparatus usable with a process cartridge for forming an image on a recording material. The process cartridge includes an image bearing member, and at least one developing device for developing a latent image formed on the image bearing member with a developer. Each of said at least one developing devices includes a developer accommodating device for accommodating a respective developer to be used in said at least one developing device. The image forming apparatus includes a mounting device for mounting the process cartridge, an auxiliary developing device exterior to the process cartridge for developing a latent image formed on the image bearing member with a developer, the auxiliary developing device including an auxiliary developer accommodating device for accommodating the developer to be used in the auxiliary developing device, and a detecting device for detecting a respective predetermined level of developer in the auxiliary developer accommodating device and in each ...

End member and process cartridge

The present invention facilitates the work for filling developer into a developer containing portion. An end member, used for a process cartridge, has a detachable handle member, which connects with one end in a longitudinal direction of a sealing member, for being held when the sealing member is unsealed, and is mounted on one end in a longitudinal direction of the developer containing portion to cover a developer filling port.

Cartridge detachably mountable on image forming apparatus

Toner cartridge

Tonerkammer und Arbeitseinheit

ELECTROSTATIC COPYING

TONER ACCOMMODATION CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

A toner accommodation container for containing toner to be used for developing a latent image formed on a electrophotographic photosensitive member, wherein the toner accommodation container is supplied with toner from a toner supply container includes a toner accommodating portion for accommodating the toner; a toner supply opening for supplying; a cover member for covering the toner supply opening, wherein the cover member is movable between a closing portion for covering the toner supply opening and an open position for permitting supply of the toner therethrough; a blocking member, provided inside the covering member, for preventing the toner from scattering from the toner accommodating portion to outside, the blocking member is locked by a first locking member and a second locking member; wherein the blocking member is movable to the open position by the first locking member being released by the toner supply container and the second locking member being released by the cover member.

IMPROVEMENTS WITH THE PROCESSES OF ELECTROSTATIC REPRODUCTION

DEVELOPING CARTRIDGE HAVING A PLURALITY OF DEVELOPERS EACH WITH DIFFERENT PROPERTIES AND AN IMAGE FORMING APPARATUS HAVING THE SAME, FOR PREVENTING DEGRADATION OF PRINT QUALITY BY A DEGRADED DEVELOPER DURING A DISTRIBUTION PROCESS

PURPOSE: A developing cartridge having a plurality of developers each with different properties and an image forming apparatus having the same are provided to store a plurality of developers each having a different glass transition temperature and first supply a developer with a relatively high glass transition temperature to a developer transfer member to thus prevent degradation of print quality caused by streaks and migrations. CONSTITUTION: An image carrier(142) coats a developer to recording paper. A developer storage unit(147) stores a plurality of developers each of which has different physical properties and is supplied in the different order according to the physical properties. A developer transfer member sequentially transfers each developer to the image carrier according to the supply order. The physical properties are a glass transition temperature, and a developer having a relatively higher glass transition temperature is first transferred to the image carrier. A glass transition ...

Process unit

Image forming apparatus

Developing device, process cartridge and electrical contact part

An electrical contact part for supplying a bias voltage to a developing roller usable in a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, which contains an electrophotographic photosensitive member, a developing roller (10d) for developing an electrostatic latent image formed on the electrophotographic photosensitive member, an electroconductive flange (12a) engaged to one end portion of the developing roller, a driving portion (103), provided at one end portion of the flange, for rotating the developing roller, the electrical contact part includes (a) a connecting portion electrically connectable with a cartridge side electrode which is provided in the process cartridge and which is connectable with a main assembly side electrode provided in the main assembly of the apparatus when the process cartridge is detachably mounted to the main assembly of the apparatus; and (b) a projected portion projected at a side opposite from a ...

Toner cartridge

A toner cartridge (1) has wing-like guides (9a, 9b) on opposite sides, the guides being curved to follow a curved guide track in a printer in which the cartridge is installed. The cartridge may be readily grasped by handles (3a, 3b) and inserted in the guide tracks of the printer near the top and front and then readily directed down and into the rear area of the printer. The guides are thin at their initial location of entry into the printer for easy insertion and increase to larger thickness regions (9aa) to better guide the cartridge. The guides are a part of a unitarily molded cover assembly which includes the side walls (33, 241, 245). ...

ПРОЯВЛЯЮЩИЙ КАРТРИДЖ, СОДЕРЖАЩЕЕ ЕГО УСТРОЙСТВО ФОРМИРОВАНИЯ ИЗОБРАЖЕНИЯ И СПОСОБ ПЕЧАТИ С ПОМОЩЬЮ УСТРОЙСТВА ФОРМИРОВАНИЯ ИЗОБРАЖЕНИЯ

Изобретение относится к устройству формирования изображения. Проявляющий картридж, применимый в устройстве формирования изображения, включает проявляющий элемент, установленный в корпусе картриджа, причем проявляющий элемент сконфигурирован для проявления скрытого электростатического изображения в видимое изображение; установочный отсек, сформированный в корпусе, для размещения в нем сменного картриджа для проявителя, содержащего дополнительное количество проявителя; и отсек для хранения проявителя, предусмотренный в корпусе, для хранения первого количества проявителя, а картридж сконфигурирован для снабжения проявляющего элемента проявителем из первого количества проявителя, даже когда сменный картридж для проявителя не вставлен в установочный отсек. Устройство формирования изображения включает светочувствительный элемент для удержания на нем скрытого электростатического изображения, проявляющий картридж и контроллер, сконфигурированный для определения, вставлен ли сменный картридж для ...

Toner Accommodation Container, Process Cartridge and Electrophotographic Image Forming Apparatus

PROCESS UNIT MODIFICATION FOR INCREASED DEVELOPMENT WIDTH

An improved process unit for use in a large format laser printer that can accommodate oversize paper for A3 size paper is disclosed. The improved process unit (110) comprises a modified developer roller (112) with substantially no shoulder bushing. An enlarged developer roller cavity (170) permits axial re-positioning of the modified developer roller (112). A shim structure (206) is also disclosed for exerting an axial force on the modified developer roller (112) to axially re-position the modified developer roller (112). An extended doctor blade (120) allows charging of an enlarged imageable area (234) on the modified developer roller (112) so that the improved process unit (110) has a printing width at least about 2 mm wider than a printing width of existing process units. An extended cleaning blade (124) is disclosed to clean the photoconductive drum (218) across the entire printing width of the enlarged imageable area (234).

Electrostatic copying process and apparatus

An electrostatic copying apparatus has a housing having at its top surface a transparent plate on which to place an original to be copied, a rotary drum disposed within the housing and having a photosensitive member on its surface, a charging, a developing, a transferring and a cleaning mechanism which are successively arranged around the rotary drum in the moving direction of its surface, an optical system for projecting the image of the original onto the surface of the rotary drum between the charging mechanism and the developing mechanism, and a receptor sheet conveying system for transporting a receptor sheet through a transfer station defined between the surface of the rotary drum and the transferring mechanism. A support is mounted on the housing so that it is slidable in the forward and rearward directions between its operating position within the housing and its pulled-out position ahead of the housing, and the rotary drum and the developing device are mounted on the support so ...

Cartridge detachably mountable on image forming apparatus

A cartridge detachably mountable on an image forming apparatus, including a frame and a blade member held by the frame, wherein a double-sided adhesive tape is stuck between the frame and the blade member along the lengthwise direction of the blade member.

DEVELOPING CARTRIDGE HAVING A PLURALITY OF DEVELOPERS WITH DIFFERENT MATERIAL PROPERTIES AND IMAGE FORMING APPARATUS HAVING THE SAME

A developing cartridge includes an image receptor which spreads developer on a printing medium, a developer storing part which stores a plurality of developers having a different material property and a different supplying order according to the concerned material property, and a developer feeding unit which sequentially transfers each of the developers to the image receptor according to the supplying order.

Development bias connector with integral bearing support

A bearing support for use in a process cartridge including a roll rotatably mounted to a housing is provided. The roll is used for transporting marking particles to a latent image to form a developed image. The bearing support supports the roll and provides an electrical path between the roll and a voltage source. The bearing support includes a body having a first feature for cooperation with the roll and a second feature for cooperation with the housing. At least one of the first feature and the second feature provides for rotatable motion between the housing and the roll. The bearing support further includes a third feature for providing an electrical path between the roll and the voltage source.

Process cartridge and electrophotographic image forming apparatus

Arbeitseinheit und Bilderzeugungsgerät mit einer solchen Einheit

Prozesskassette und elektrophotographisches Bilderzeugungsgerät

ELECTROSTATIC COPYING

Process cartridge, toner supply container and toner supply method

TONER SUPPLY METHOD, TONER ACCOMMODATION CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

A method of supplying toner into a toner accommodation container for accommodating the toner to be used for developing a latent image formed on an electrophotographic photosensitive member includes opening a cover member for covering an opening provided in a toner accommodation container; mounting a first toner supply container containing the toner to be supplied to the toner accommodation container, to the opening; pushing the first toner supply container into the toner accommodation container in interrelation with closing of the cover member; closing the cover member; supplying the toner from the first toner supply container to the toner accommodation container by opening a toner supply port of the first toner supply container pushed in the toner accommodation container; wherein a volume of the first toner supply container can be reduced in a direction crossing with a longitudinal direction of the toner supply container.

Image forming apparatus

DEVELOPING CARTRIDGE AND AN IMAGE FORMING APPARATUS INCLUDING THE SAME, SPECIALLY FOR DIFFERENTLY PREPARING LENGTH FROM A CASING TO A FREE END PART CONTACTED TO A DEVELOPING ROLLER IN ACCORDANCE WITH MATERIAL CHARACTERISTICS OF A DEVELOPING REGULATION MEMBER SO THAT CONCENTRATION OF A DEVELOPING AGENT IS CONSTANTLY MAINTAINED

PURPOSE: A developing cartridge and an image forming apparatus including the same are provided to maintain constant output quality by preparing a developing regulation member so that length from a casing to a free end part corresponds to desired output concentration. CONSTITUTION: A photoconductive object(10) coats a developing agent on paper. A developing roller(40) supplies the developing agent to the photoconductive object. A developing regulation member(80) constantly regulates an amount of the developing agent supplied to the photoconductive object by the developing roller. The developing regulation member includes a support member(81) coupled to a body of an image forming apparatus, and an elastic metal plate(83) having a bent part extended from the support member and contacted to the photoconductive object. Extension length of the elastic metal plate becomes shorter as elongation of the elastic metal plate increases. © KIPO 2007 ...

Image forming apparatus

It is an object of the present invention to provide a process unit and an image forming apparatus in which generation of loss of image density due to flying off of developer and the edge effect occurring as a side-effect under developing conditions aimed at improving development performance can be reduced, even when a DC bias development system is adopted, and which can suppress developing density unevenness caused by impact occurring on contact of the teeth of gears in the drive system.

Toner replenishment mechanism with simple constitution, image forming apparatus with toner replenishment mechanism, and toner replenishment control method

A toner replenishment mechanism includes a motor, a first ratchet mechanical unit, and a second ratchet mechanical unit. The motor includes a rotation shaft with a pinion. The first ratchet mechanical unit engages the pinion. The first ratchet mechanical unit transmits only rotary drive power in a forward direction by the pinion to a driven mechanism disposed at a first toner replenishment unit. The first toner replenishment unit replenishes a first developer unit with a first color toner. The second ratchet mechanical unit engages the pinion. The second ratchet mechanical unit transmits only rotary drive power in a reverse direction by the pinion to a driven mechanism disposed at a second toner replenishment unit. The second toner replenishment unit replenishes a second developer unit with a second color toner.

Toner container, process cartridge, and image forming apparatus

Toner supply method, toner accommodation container, process cartridge and electrophotographic image forming apparatus

A method of supplying toner into a toner accommodation container for accommodating the toner to be used for developing a latent image formed on an electrophotographic photosensitive member includes opening a cover member for covering an opening provided in a toner accommodation container; mounting a first toner supply container containing the toner to be supplied to the toner accommodation container, to the opening; pushing the first toner supply container into the toner accommodation container in interrelation with closing of the cover member; closing the cover member; supplying the toner from the first toner supply container to the toner accommodation container by opening a toner supply port of the first toner supply container pushed in the toner accommodation container; wherein a volume of the first toner supply container can be reduced in a direction crossing with a longitudinal direction of the toner supply container. ...

Process cartridge detachably mountable to image forming apparatus

PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE

PROBLEM TO BE SOLVED: To obtain a process cartridge constituted so that a developing roller can be set at a regular position when the developing roller is driven by previously displacing the developing roller so that the downstream side of the displacing direction of the developing roller becomes wider than the upstream side and arranging it in a cartridge frame body. SOLUTION: A developing sleeve bearing is assembled to the cartridge frame body by previously displacing the developing roller 3 so that a clearance CL1 between the roller 3 and a magnetic seal member 14 on the upstream side of the displacing direction of the roller 3 becomes narrower along the displacing direction of the roller 3 occurring when the roller 3 is driven than that on the downstream side. Thus, the roller 3 can be set at the regular position even when the developing sleeve bearing is displaced in the driving direction of the roller 3 because a photoreceptor drum 1 is rotated in a direction shown by an arrow Y, ...

Tonerbehälter, Prozesskassette und Bilderzeugungsgerät

Toner cartridge with external planar installation guides

ELECTROSTATIC COPYING PROCESS AND APPARATUS

An electromagnetic copying apparatus comprising a housing having at its top surface a transparent plate on which to place an original to be copied, a rotary drum disposed within the housing and having a photosensitive member on its surface, a charging, a developing, a transferring and a cleaning means which are successively arranged around the rotary drum in the moving direction of its surface. an optical system for projecting the image of the original onto the surface of the rotary drum between the charging means and the developing means, and a receptor sheet conveying system for transferring a receptor sheet through a transfer station defined between the surface of the rotary drum and the transferring means; wherein a support is mounted on the housing so that it is slidable in the forward and rearward directions between its operating position within the housing and its pulled-out position ahead of the housing, and the rotary drum and the developing device are mounted on the support so ...

Toner ocntainer, process cartridge, and image forming apparatus

Toner container, process cartridge, and image forming apparatus

Process cartridge and image forming apparatus

This invention relates to a process cartridge to be detachably mounted to an image forming apparatus body capable of selecting an image forming condition. The process cartridge includes a cartridge frame, an electrophotographic photosensitive member, a processing device operative on the electrophotographic photosensitive member and a grip member. This grip member is disposed on the cartridge frame and is capable of being gripped to select an image forming condition when the process cartridge is mounted to the image forming apparatus body.

Process cartridge and image forming apparatus usable therewith

Picture generating device

A picture generating device has a photosensitive drum which is charged by a main charger (corona). A developing unit develops a latent picture and at the same time removes residual toner which has been left over, from a previous picture producing operation, on the drum, in regions which are not intended to make a new image.

PROCESS CARTRIDGE, TONER SUPPLY CONTAINER AND TONER SUPPLY METHOD

A toner supply container for supplying toner into a toner accommodating container for accommodating the toner usable for developing a latent image formed on an electrophotographic photosensitive member, wherein the toner accommodating container is detachably mountable relative to a main assembly of an electrophotographic image forming apparatus, including a guide portion for guiding the toner supply container into the toner accommodating container with engagement with the toner accommodating container; a first portion and a second portion which are opposed to each other; a third portion connecting one longitudinal ends of the first portion and second portion, wherein the third portion are foldable; a fourth portion connecting the other longitudinal ends of the first portion and second portion, wherein the fourth portion are foldable; a toner supply opening, provided along a longitudinal direction between the first portion and the second portion, for supplying into the toner accommodating ...

TONER ACCOMODATION CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

전자사진식 감광성 부재 상에 형성된 잠상을 현상하는 데 사용되는 토너를 내장하기 위한 토너 저장 용기에 있어서, 상기 토너 저장 용기는 토너 공급 용기로부터 토너가 공급되고; 상기 토너 저장 용기는, 토너를 수용하기 위한 토너 저장부와, 공급을 위한 토너 공급 개구와, 상기 토너 공급 개구를 덮기 위한 커버 부재와, 토너가 상기 토너 저장부로부터 외측으로 비산하는 것을 방지하기 위해 상기커버 부재 내측에 마련되어, 제1체결 부재 및 제2체결 부재에 의해 체결되는 차단부재를 포함하고; 상기 커버 부재는 상기 공급 개구를 덮는 폐쇄 위치와 그곳을 통한 토너의 공급을 허용하는 개방 위치 사이에서 이동가능하고, 상기 차단 부재는 상기 제1체결 부재가 상기 토너 공급 부재에 의해 해제되고 상기 제2체결 부재가 상기 커버 부재에 의해 해제됨으로써 상기 개방 위치로 이동가능한 것을 특징으로하는 토너 저장 용기가 개시된다. A toner storage container for containing a toner used to develop a latent image formed on an electrophotographic photosensitive member, the toner storage container supplied with toner from a toner supply container; The toner storage container includes a toner storage portion for accommodating toner, a toner supply opening for supply, a cover member for covering the toner supply opening, and to prevent toner from scattering outward from the toner storage portion. A blocking member provided inside the cover member and fastened by a first fastening member and a second fastening member; The cover member is movable between a closed position covering the supply opening and an open position allowing the supply of toner therethrough, wherein the blocking member is configured such that the first fastening member is released by the toner supply member and the second A toner storage container is disclosed, characterized in that the fastening member is movable by the cover member to move to the open position.

cartucho de toner com guias planos de instalaÇço.

SYSTEM AND METHOD FOR ADJUSTING TONER CONSUMPTION

A toner cartridge (3) comprises toner and electrical development components (24, 15) which consume a portion of the toner by printing a plurality of images. An electronic circuit stores an indication of the amount of toner remaining, and a value controlling a voltage applied to at least one of the electrical development components (24, 15). The electronic circuit determines when a predetermined amount of the toner remains in the toner cartridge. When the predetermined amount of toner remains in the toner cartridge (3), the electronic circuit alters the amount of toner consumed to form images by changing a voltage level applied to at least one of the electrical development components (24, 15). The electronic circuit alters the amount of toner consumed by replacing the stored value controlling the voltage applied to at least one of the electrical development components with a new value controlling the voltage applied to at least one of the electrical development components.

IMAGE FORMING APPARATUS WITH GAMMA CONVERSION MEANS

The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consumption amount or for preventing the leak in the charging device.

Developing apparatus with a removable sealing film and process cartridge and image forming apparatus including such a developing apparatus

A developing apparatus for developing a latent image formed on an image bearing member includes a first frame having a developer container for containing a developer; a second frame having a developer carrying member for carrying the developer supplied from the developer container to supply the developer to the latent image; a sealing member for sealing an opening for supplying the developer from the developer container to the developer carrying member; wherein the sealing member is pulled between the first frame and the second frame along a pulling path in a pulling direction, whereby the opening is opened and projections, disposed at both sides of the pulling path downstream of the opening in the pulling direction, are provided for limiting the pulling direction of a sealing member.

Process cartridge for use in image forming apparatus

A process cartridge is provided detachably mountable to and for use in an image forming apparatus. The process cartridge includes a charging unit, an exposure unit and a developing unit around a photoreceptor. A toner supply unit is integrally provided on the front side of the process cartridge. A toner accommodation casing is provided in the toner supply unit for accommodating toner. The toner accommodating casing composes a structural portion of the process cartridge.

System von Prozesseinheiten mit Tonerbehältern variabler Grösse

Tonerkammer und Arbeitseinheit

Magnetic brush development process for electrostatic charge images

Arbeitseinheit und Bilderzeugungsgerät mit einer solchen Einheit

ELECTROSTATIC COPYING

Process cartridge, toner supply container and toner supply method

ELECTROSTATIC COPYING PROCESS AND APPARATUS

IMPROVEMENTS WITH THE PROCESSES OF ELECTROSTATIC REPRODUCTION

Image forming apparatus

In an image forming apparatus having a detachable process cartridge in which an image carrier on which an electrostatic latent image is formed, and a developing unit which develops the electrostatic latent image so that a toner image can be formed, both integrally formed into one unit. There is provided a developer container including a discharge section which can be inserted into a supply opening of the developing unit, and a container in which a predetermined amount of developer is contained, wherein the developer container is provided to the toner supply opening of the developing unit and the developer is supplied into the developing unit housing when a toner stirring screw of the developing unit is rotated.

Toner cartridge with external planar installation guides

A toner cartridge (1) has wing-like guides (9a, 9b) on opposite sides, the guides being curved to follow a curved guide track in a printer in which the cartridge is installed. The cartridge may be readily grasped by handles (3a, 3b) and inserted in the guide tracks of the printer near the top and front and then readily directed down and into the rear area of the printer. The guides are thin at their initial location of entry into the printer for easy insertion and increase to larger thickness regions (9aa, 9bb) to better guide the cartridge. The guides are a part of a unitarily molded cover assembly which includes the side walls (33, 241, 245).

Developing device, process cartridge and electrical contact part

An electrical contact part for supplying a bias voltage to a developing roller usable in a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, which contains an electrophotographic photosensitive member, a developing roller (10d) for developing an electrostatic latent image formed on the electrophotographic photosensitive member, an electroconductive flange (12a) engaged to one end portion of the developing roller, a driving portion (103), provided at one end portion of the flange, for rotating the developing roller, the electrical contact part includes (a) a connecting portion electrically connectable with a cartridge side electrode which is provided in the process cartridge and which is connectable with a main assembly side electrode provided in the main assembly of the apparatus when the process cartridge is detachably mounted to the main assembly of the apparatus; and (b) a projected portion projected at a side opposite from a ...

Tonerkassette

Entwicklereinheit

ELECTROSTATIC COPYING

Developing cartridge and image forming apparatus having the same

本发明公开了一种成像装置，包括：墨粉盒主体；感光体，用来在可打印介质上散布显影剂；显影辊，用来向感光体供应显影剂；显影剂调节构件，调节由显影辊供应给感光体的显影剂的量，所述显影剂调节构件包括耦合到主体的支撑构件和弹性金属板，所述金属板具有从支撑构件延伸并且接触感光体的弯折部件；和弹性金属板的自由长度，其设置成随着弹性金属板的拉伸率增大而更短。因此，具有显影剂调节构件的自由端部的显影盒和成像装置可以被调节，从而根据显影剂调节构件的材料特性保持显影剂均匀。

Driving device and image forming apparatus including the same

一种电子照相成像设备包括驱动装置，所述驱动装置包括：第一齿轮和第二齿轮；动力传送器，被构造为将沿一个方向施加的旋转力从电动机传递到第一齿轮和第二齿轮；凸轮，被构造为将动力传送器设定为释放模式、第一连接模式和第二连接模式中的一个，在释放模式中电动机与第一齿轮和第二齿轮断开连接，在第一连接模式中第一齿轮和第二齿轮中的一个连接到电动机，在第二连接模式中第一齿轮和第二齿轮中的另一个连接到电动机；以及离合器，被构造为选择性地将沿所述一个方向施加的旋转力从电动机传递到凸轮。

Arbeitseinheit und Bilderzeugungsgerät mit einer solchen Einheit

TONER CARTRIDGE WITH EXTERNAL PLANAR INSTALLATION GUIDES

A toner cartridge (1) has wing-like guides (9a, 9b) on opposite sides, the guides being curved to follow a curved guide track in a printer in which the cartridge is installed. The cartridge may be readily grasped by handles (3a, 3b) and inserted in the guide tracks of the printer near the top and front and then readily directed down and into the rear area of the printer. The guides are thin at their initial location of entry into the printer for easy insertion and increase to larger thickness regions (9aa, 9bb) to better guide the cartridge. The guides are a part of a unitarily molded cover assembly which includes the side walls (33, 241, 245).

Image forming apparatus

本发明提供一种图像形成装置，伴随着显影器向装置主体的安装动作，使第二开闭部件与向安装方向滑动的第一开闭部件联动滑动。并且，伴随着显影器从装置主体的脱离动作，使上述第一开闭部件与向脱离方向滑动的第二开闭部件联动滑动，该脱离方向为与安装方向相反的方向。第二开闭部件开放排出口的方向是与安装方向相同的方向。第一施力部件对关闭了接收口的第一开闭部件施加的弹力小于第二施力部件对关闭了排出口的第二开闭部件施加的弹力。

PERFECTIONNEMENTS AUX PROCEDES DE REPRODUCTION ELECTROSTATIQUE

Appareil de reproduction électrostatique destiné à mettre en oeuvre un procédé de reproduction de l'image d'un original. Il comprend un boîtier dont la face supérieure est une plaque de verre sur laquelle est placé l'original, un tambour rotatif à la surface duquel se trouve un élément photosensible à l'intérieur du boîtier, des dispositifs de charge, de développement et de transfert, un systeme optique de projection, et une installation de transport de feuilles réceptrices. Le boîtier est séparé en une section supérieure et une section inférieure qui ne communiquent pas. La section supérieure comprend le système optique et un système de refroidissement aspirant l'air de l'extérieur du boîtier pour refroidir une lampe d'éclairage de l'original et évacuant l'air à l'extérieur du boîtier. La section inférieure comprend le tambour rotatif autour duquel se trouvent le dispositif de charge, le dispositif de développement, le dispositif de transfert et l'installation de transport de feuilles ...

Image Forming Apparatus having first and second shutters in a developing and replenishing device respectively

A second shutter 32 is caused to slide in conjunction with a first shutter 22 which slides in the mounting direction in association with the mounting operation of a developing device 2 to an apparatus body 1. Accordingly, in association with the separating movement of the developing device from the apparatus body, the first shutter is caused to slide in association with the second shutter which slides in the separating direction, which is the opposite direction from the mounting direction. The direction that the second shutter opens a discharge port 31 is the same direction as the mounting direction. An urging force W20 that a first urging member 23 applies to the first shutter which closes an inlet port is smaller than an urging force W30 that the second urging member is applied to the second shutter which closes the discharge port.

Prozesskassette und Bilderzeugungsgerät

TONER CARTRIDGE WITH EXTERNAL PLANAR INSTALLATION GUIDES

A toner cartridge (1) has wing-like guides (9a, 9b) on opposite sides, the guides being curved to follow a curved guide track in a printer in which the cartridge is installed. The cartridge may be readily grasped by handles (3a, 3b) and inserted in the guide tracks of the printer near the top and front and then readily directed down and into the rear area of the printer. The guides are thin at their initial location of entry into the printer for easy insertion and increase to larger thickness regions (9aa, 9bb) to better guide the cartridge. The guides are a part of a unitarily molded cover assembly which includes the side walls (33, 241, 245).

Toner cartridge with external planar installation guides

A toner cartridge (1) has wing-like guides (9a, 9b) on opposite sides, the guides being curved to follow a curved guide track in a printer in which the cartridge is installed. The cartridge may be readily grasped by handles (3a, 3b) and inserted in the guide tracks of the printer near the top and front and then readily directed down and into the rear area of the printer. The guides are thin at their initial location of entry into the printer for easy insertion and increase to larger thickness regions (9aa, 9bb) to better guide the cartridge. The guides are a part of a unitarily molded cover assembly which includes the side walls (33, 241, 245).

Variable size, replaceable toner sump pans for print cartridges

A system for providing a plurality of process cartridges for developing with marking particles a latent image with common components is provided. The system includes a housing and a member mounted to the housing for advancing the marking particles toward the latent image. The system also includes a first pan securable to the housing and defining a first cavity therebetween. The first cavity defines a first volume. The system also includes a second pan securable to the housing and defining a second cavity therebetween. The second cavity defines a second volume substantially different than the first volume. The housing, the member and the first pan are assemblable to form a first process cartridge including the first volume. The housing, the member and the second pan are assemblable to form a second process cartridge including the second volume.

Toner container, process cartridge, and image forming apparatus

A toner container mountable to a main assembly of an electrophotographic image forming apparatus includes a toner containing portion (10a) for containing toner; a rotatable toner stirring member (10e) for stirring the toner contained in the toner containing portion; a helical gear (10j,10f) for receiving driving force for rotating the stirring member, the helical gear being movable in a thrust direction which is substantially crossing with a direction of rotation thereof; an opposite member (10g) opposed to an internal surface (12b) of the toner containing portion with a gap therebetween, the opposite member being notable together with the helical gear; wherein thrust force produced when the helical gear is rotated with the opposite member being spaced from the internal surface of toner containing portion, is oriented in a direction from outside to inside of the toner containing portion. ...

Process cartridge and electrophotographic image forming apparatus

cartucho de revelação, aparelho para formação de imagem que o tem, e método de impressão para um aparelho para formação de imagem

Image forming apparatus

It is an object of the present invention to provide a process unit and an image forming apparatus in which generation of loss of image density due to flying off of developer and the edge effect occurring as a side-effect under developing conditions aimed at improving development performance can be reduced, even when a DC bias development system is adopted, and which can suppress developing density unevenness caused by impact occurring on contact of the teeth of gears in the drive system.

Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus

A developing cartridge usable with an image forming apparatus includes a housing having a developing member, a developer storing portion storing developer supplied to the developing member, and a mounting portion allowing at least one developer cartridge storing supplementary developer to be detachably mounted. Printing operations can be performed using the developer available in the developer-storing portion even in the absence of a developer cartridge.

Development bias connector with integral bearing support

Process unit

A process unit (4) including a photoconductor unit (40) having a photoconductor drum (42), a developing unit (50) having a developing roller (53) disposed in a development housing (51), and a support shaft (5) means for supporting the developing unit (50) pivotably relative to the photoconductor unit (40). The developing roller (53) is disposed such that its surface is pressed against the surface of the photoconductor drum (42) in a developing zone. The photoconductor drum (42) and the developing roller (53) are rotationally driven such that their respective surfaces move from below to above in the developing zone. ...

Toner accomodation container, process cartridge and electrophotographic image forming apparatus

A toner accommodation container for containing toner to be used for developing a latent image formed on a electrophotographic photosensitive member, wherein the toner accommodation container is supplied with toner from a toner supply container includes a toner accommodating portion for accommodating the toner; a toner supply opening for supplying; a cover member for covering the toner supply opening, wherein the cover member is movable between a closing portion for covering the toner supply opening and an open position for permitting supply of the toner therethrough; a blocking member, provided inside the covering member, for preventing the toner from scattering from the toner accommodating portion to outside, the blocking member is locked by a first locking member and a second locking member; wherein the blocking member is movable to the open position by the first locking member being released by the toner supply container and the second locking member being released by the cover member.

Process cartridge, process cartridge assembly method, and image forming apparatus

Process cartridge and image forming apparatus usable therewith

PROCESS CARTRIDGE, PROCESS CATRIDGE ASSEMBLY METHOD, AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE, PROCESS CARTRIDGE ASSEMBLY METHOD, AND IMAGE FORMING APPARATUS

본 발명에 따른, 화상 형성 장치의 주 조립체에 착탈 가능한 프로세스 카트리지와 함께 사용할 수 있으며 프로세스 카트리지가 전자 사진 감광 부재와 이 전자 사진 감광 부재 상에서 작동 가능한 처리 수단을 수용하도록 구성된 토너 수용 용기는, 전자 사진 감광 부재 상에 형성된 잠상을 현상하는 데 사용되는 토너를 수용하기 위한 토너 수용부와, 토너 수용부의 개구를 덮도록 마련된 커버 부재와, 캡 부재 상에 마련된 파지부와, 토너 수용부의 짧은 측면을 따라서 토너 수용부 내에서 연장되며 커버 부재와 함께 그 사이에 간극을 형성하는 격벽을 포함하고, 격벽과 커버 부재는 토너 수용 용기가 파지부에 의해 조직되어서 커버 부재가 변형될 때에 서로에 대해 접촉 가능한 것을 특징으로 한다. According to the present invention, a toner container which can be used with a process cartridge detachable to a main assembly of an image forming apparatus, the process cartridge configured to receive an electrophotographic photosensitive member and processing means operable on the electrophotographic photosensitive member, the electrophotographic A toner accommodating portion for accommodating toner used to develop a latent image formed on the photosensitive member, a cover member provided to cover the opening of the toner accommodating portion, a gripping portion provided on the cap member, and a short side surface of the toner accommodating portion. A partition wall extending within the toner container and defining a gap therebetween with the cover member, wherein the partition wall and the cover member are in contact with each other when the toner container is organized by the gripping part so that the cover member is deformed. It features.

DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

An electrophotographic image forming apparatus includes a driving device including a first gear and a second gear, a power transmitter configured to transfer a rotational force applied in one direction from the motor to the first and second gears; a cam configured to set the power transmitter to one of a release mode in which the motor is disconnected from the first and second gears, a first connection mode in which one of the first and second gears is connected to the motor, and a second connection mode in which the other of the first and second gears is connected to the motor; and a clutch configured to selectively transfer the rotational force applied in the one direction from the motor to the cam. 1. An apparatus comprising:a motor configured to provide a rotational force;a first gear;a second gear;a power transmitter configured to selectively transfer the rotational force from the motor to the first gear and from the motor to the second gear; a release mode in which the rotational force from the motor is disconnected from the first gear and the second gear,', 'a first connection mode in which the first gear is connected to the rotational force from the motor and the second gear is disconnected from the rotational force from the motor, and', 'a second connection mode in which the second gear is connected to the rotational force from the motor and the first gear is disconnected from the rotational force from the motor; and, 'a cam configured to set a mode of the power transmitter to one ofa clutch configured to selectively transfer the rotational force from the motor to the cam.2. The apparatus of claim 1 , whereinthe power transmitter comprises a rotatable shaft configured to receive the rotational force from the motor, andthe first gear, the second gear, and the cam are rotatably provided on the rotatable shaft.3. The apparatus of claim 2 , wherein the power transmitter further comprises:a first fixed latch member fixed to the shaft and including a first fixed ...

Image forming apparatus

An image forming apparatus includes: an image bearing member; a developing unit; a discharge portion which is provided in the developing unit and configured to discharge a developer in the developing unit to the outside of the developing unit; a collection portion which collects the developer discharged from the discharge portion; a conveying pipe which is separable from the developing unit, includes a conveying screw therein, and conveys the developer discharged from the discharge portion to the collection portion; and a toner density sensor which detects toner density in the conveying pipe and of which a detection surface is positioned below a rotational axis of the conveying screw in a vertical direction, wherein the developing unit is removed from the image forming apparatus in a state in which the conveying pipe and the toner density sensor remain in the image forming apparatus.

Process unit

Toner Container, Process Cartridge, and Image Forming Apparatus

전자 사진식 화상 형성 장치의 주조립체에 장착 가능한 토너 용기는 토너를 저장하는 토너 저장부와, 상기 토너 저장부 내에 저장된 토너를 교반시키는 회전 가능 토너 교반 부재와, 상기 교반 부재를 회전시키는 구동력을 수용하고 교반 부재의 회전 방향과 교차하는 추력 방향으로 이동 가능한 헬리컬 기어와, 상기 토너 저장부의 내부면과 사이에 간극을 가지고 대면하고 상기 헬리컬 기어와 함께 회전 가능한 대향 부재를 포함하며, 상기 헬리컬 기어가 토너 저장부의 내부면으로부터 이격된 상기 대향 부재와 함께 회전될 때 발생된 추력은 상기 토너 저장부의 외부로부터 내부로의 방향으로 향한다.

Toner replenishment mechanism, image forming apparatus, and method for controlling toner replenishment

Process unit

Developing apparatus, image formation apparatus, and process cartridge

A developing apparatus, an image formation apparatus and a process cartridge is provided. Even though the sealing materials of the initial developer container are stripped off in such a way that the process cartridge having the developing apparatus is tilted, the initial developer can be uniformly supplied along the central axis line of the developer carrier. The developing apparatus performs a self toner control and has an initial developer case 10 for containing the non-used initial developer 3 c that is input into the developer containing space S. The initial developer case 10 is divided internally into a plurality of partition spaces 10 b along the direction of the central axial line D of the developing sleeve 4, so that a plurality of partitions 10 c is formed inside the initial developer case 10. Based on the opening 10 a for inputting the initial developer, the partition surface F facing to the partition space 10 b of each partition 10 c is tilted from an imaginary plane G perpendicular to the central axial line D of the developing sleeve 4 toward one end H along the direction of the central axial line D of the developing sleeve 4.

Image Forming Apparatus having first and second shutters in a developing and replenishing device respectively

A second shutter 32 is caused to slide in conjunction with a first shutter 22 which slides in the mounting direction in association with the mounting operation of a developing device 2 to an apparatus body 1. Accordingly, in association with the separating movement of the developing device from the apparatus body, the first shutter is caused to slide in association with the second shutter which slides in the separating direction, which is the opposite direction from the mounting direction. The direction that the second shutter opens a discharge port 31 is the same direction as the mounting direction. An urging force W20 that a first urging member 23 applies to the first shutter which closes an inlet port is smaller than an urging force W30 that the second urging member is applied to the second shutter which closes the discharge port.

Image forming apparatus with a purge control means

Toner Container cap, toner container, and process cartridge

A toner accommodation container includes a toner containing portion for containing toner; a toner filling opening, formed in a side surface of said toner containing portion, for filling the toner into said toner containing portion; wherein said filling opening has a non-circular configuration substantially corresponding to a configuration of the side surface.

Toner Container Cap, Toner Container, and Process Cartridge

토너 수용 용기는 토너를 담아 두기 위한 토너 내장부와, 토너를 토너 내장부에 충전하기 위하여 토너 내장부의 측표면에 형성된 토너 충전 개구를 포함하며, 상기 충전 개구는 측표면의 형상에 실질적으로 대응하는 비원형 형상을 취한다. The toner container includes a toner container for storing toner, and a toner filling opening formed in the side surface of the toner container for filling the toner container, the filling opening substantially corresponding to the shape of the side surface. Takes a non-circular shape.

Method to supply toner, a toner bottle, process cartridge and an electrophotic image forming device

전자 사진식 감광 부재 상에 형성된 잠상을 현상하기 위해 사용되는 토너를 저장하는 토너 저장 용기 내로 토너를 공급하는 방법은, 토너 저장 용기에 마련된 개구를 덮는 커버 부재를 개방하는 단계와, 토너 저장 용기에 공급되는 토너를 담는 제1 토너 공급 용기를 개구에 장착하는 단계와, 커버 부재의 폐쇄와 상호 관련되어 제1 토너 공급 용기를 토너 저장 용기 내로 가압하는 단계와, 커버 부재를 폐쇄하는 단계와, 토너 저장 용기 내로 가압된 제1 토너 공급 용기의 토너 공급 포트를 개방함으로써 제1 토너 공급 용기로부터 토너 저장 용기로 토너를 공급하는 단계를 포함하며, 제1 토너 공급 용기의 체적은 토너 공급 용기의 길이 방향과 교차하는 방향으로 감소된다. A method of supplying toner into a toner storage container for storing toner used for developing a latent image formed on an electrophotographic photosensitive member includes the steps of: opening a cover member covering an opening provided in the toner storage container; Mounting a first toner supply container containing the supplied toner in the opening, pressurizing the first toner supply container into the toner storage container in association with the closing of the cover member, closing the cover member, and Supplying toner from the first toner supply container to the toner storage container by opening the toner supply port of the first toner supply container pressurized into the storage container, wherein the volume of the first toner supply container is in the longitudinal direction of the toner supply container. Decrease in the direction intersecting with.

Driving device and image forming apparatus including the same

An electrophotographic image forming apparatus includes a driving device including a first gear and a second gear, a power transmitter configured to transfer a rotational force applied in one direction from the motor to the first and second gears; a cam configured to set the power transmitter to one of a release mode in which the motor is disconnected from the first and second gears, a first connection mode in which one of the first and second gears is connected to the motor, and a second connection mode in which the other of the first and second gears is connected to the motor; and a clutch configured to selectively transfer the rotational force applied in the one direction from the motor to the cam.

Developing apparatus, process cartridge and image forming apparatus

A developing apparatus for developing a latent image formed on an image bearing member includes a first frame (19a) having a developer container (19) for containing a developer; a second frame (18) having a developer carrying member for carrying the developer supplied from the developer container (19) to supply the developer to the latent image; a sealing member (17) for sealing an opening for supplying the developer from the developer container (19) to the developer carrying member; wherein the sealing member (17) is pulled between the first frame (19a) and the second frame (18) along a pulling path in a pulling direction, whereby the opening is opened; projections, disposed at both sides of the pulling path downstream of the opening in the pulling direction, for limiting the pulling direction of a sealing member.

Image forming apparatus with gamma conversion means

The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consumption amount or for preventing the leak in the charging device.

Image forming apparatus with gamma conversion means

The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consumption amount or for preventing the leak in the charging device.

Process cartridge, process cartridge assembly method, and image forming apparatus

본 발명에 따른 화상 형성 장치의 주조립체에 착탈되는 프로세스 카트리지는 전자 사진 감광드럼을 지지하는 드럼 프레임과, 현상 롤러에 장착되어 상기 감광부재상에 형성된 잠상을 현상하는 현상 프레임과, 현상 롤러에 의해 사용될 토너를 수용하는 토너 수용부를 갖는 토너 프레임을 포함하며, 상기 토너 프레임은 드럼 프레임에 회전식으로 결합되기 위한 커플링 부재와 프로세스 카트리지를 파지하는 파지부를갖추고 있다.

Development voltage connector with integrated bearing

Image forming apparatus and image forming method

The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consumption amount or for preventing the leak in the charging device.

Electrophotographic copying machine

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge having a supporting member for rotatably supporting a developing roller at a position away from the center of rotation thereof

A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes an electrophotographic photosensitive drum, a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum with a developer, a frame for rotatably supporting the electrophotographic photosensitive drum, a developing blade, provided in the frame, for regulating the amount of the developer applied on a peripheral surface of the developing roller, a supporting member, journaled in the frame for rotation about a center of rotation, for rotatably supporting the developing roller at a position away from the center of rotation thereof, and an urging member for elastically urging the supporting member to urge the developing roller toward the electrophotographic photosensitive drum.

A toner storage container, a process cartridge, and an electrophotographic image forming apparatus

전자사진식 감광성 부재 상에 형성된 잠상을 현성하는 데 사용되는 토너를 내장하기 위한 토너 저장 용기에 있어서, 상기 토너 저장 용기는 토너 공급 용기로부터 토너가 공급되고; 상기 토너 저장 용기는, 토너를 수용하기 위한 토너 저장부와, 공급을 위한 토너 공급 개구와, 상기 토너 공급 개구를 덮기 위한 커버 부재와, 토너가 상기 토너 저장부로부터 외측으로 비산하는 것을 방지하기 위해 상기 커버 부재 내측에 마련되어, 제1체결 부재 및 제2체결 부재에 의해 체결되는 차단 부재를 포함하고; 상기 커버 부재는 공급 개구를 덮는 폐쇄 위치와 그곳을 통한 토너의 공급을 허용하는 개방 위치 사이에서 이동가능하고, 상기 차단 부재는 상기 제1체결 부재가 상기 토너 공급 부재에 의해 해체되고 상기 제2체결 부재가 상기 토너 공급 부재에 의해 해제되고 상기 제2체결 부재가 상기 커버 부재에 의해 해제됨으로써 상기 개방 위치로 이동가능한 것을 특징으로 하는 토너 저장 용기가 개시된다.

Toner cartridge with external planar installation guides

Toner container, process cartridge, and imaging device

System and method for adjusting toner consumption

A toner cartridge comprises toner and electrical development components which consume a portion of the toner by printing a plurality of images. An electronic circuit stores an indication of the amount of toner remaining, and a value controlling a voltage applied to at least one of the electrical development components. The electronic circuit determines when a predetermined amount of the toner remains in the toner cartridge. When the predetermined amount of toner remains in the toner cartridge, the electronic circuit alters the amount of toner consumed to form images by changing a voltage level applied to at least one of the electrical development components. The electronic circuit alters the amount of toner consumed by replacing the stored value controlling the voltage applied to at least one of the electrical development components with a new value controlling the voltage applied to at least one of the electrical development components.

Process unit

A process unit including a photoconductor unit having a photoconductor drum, a developing unit having a developing roller disposed in a development housing, and a support shaft means for supporting the developing unit pivotably relative to the photoconductor unit. The developing roller is disposed such that its surface is pressed against the surface of the photoconductor drum in a developing zone. The photoconductor drum and the developing roller are rotationally driven such that their respective surfaces move from below to above in the developing zone.

Sistema para obtenção de um pluralidade de cartuchos de processamento para revelação com partículas de marcação de uma imagem latente com componentes comuns, cartucho de processamento, e, máquina de imprssão eletrofotográfica

"SISTEMA PARA OBTENçãO DE UMA PLURALIDADE DE CARTUCHOS DE PROCESSAMENTO PARA REVELAçãO COM PARTìCULAS DE MARCAçãO DE UMA IMAGEM LATENTE COM COMPONENTES COMUNS, CARTUCHO DE PROCESSAMENTO, E, MáQUINA DE IMPRESSãO ELETROFOTOGRáFICA". Trata-se de um sistema para obtenção de uma pluralidade de cartuchos de processamento para revelação com partículas de marcação de uma imagem latente com componentes comuns. O sistema inclui um alojamento e um elemento montado no alojamento para fazer avançar as partículas de marcação na direção da imagem latente. O sistema inclui uma primeira bandeja podendo ser fixada ao alojamento e definindo entre os mesmos uma primeira cavidade. a primeira cavidade define um primeiro volume. O sistema inclui igualmente uma segunda bandeja passível de fixação ao alojamento e definindo entre os mesmos uma segunda cavidade. A segunda cavidade define um segundo volume substancialmente diferente do primeiro volume. O alojamento, o elemento e a primeira bandeja podem ser montados para formação de um primeiro cartucho de processamento incluindo o primeiro volume. O alojamento, o elemento e a segunda bandeja podem ser montados para formação de um segundo cartucho de processamento incluindo o segundo volume.

Macchina copiatrice elettrofotogra fica

Perfezionamenti nei procedimenti di copiatura elettrostatica e relativa apparecchiatura.

Process cartridge and electrophotographic image forming apparatus

Developing apparatus

The present invention provides a developing apparatus comprising a developer containing container, an agitating member for agitating developer contained in the developer containing container, a drive transmitting member for transmitting a power to the agitating member by engaging a rotary shaft of the agitating member, and a bearing adapted to rotatably hold the drive transmitting member and attached to the developer containing container, and wherein the bearing has a dislodgment preventing member with respect to the developer containing container.

画像形成装置

【課題】現像装置内にセンサを設けることなく、現像剤のトナー濃度を検知することができる画像形成装置を提供する。 【解決手段】感光体ドラム２８に形成された静電潜像を、現像装置１によりトナーとキャリアを含む現像剤を用いて現像する画像形成装置Ａにおいて、現像に供される現像剤を収容する現像剤収容部６と、現像剤収容部６から現像剤を排出する現像剤排出口１６と、画像形成装置Ａ本体に配置され、現像剤排出口１６から排出された現像剤を搬送するための排出路４１と、排出路４１に配置され、排出された現像剤のトナー濃度を検知するインダクタンスセンサ４３と、を有する。 【選択図】図３

粉末供应装置、粉末供应装置的粉末填充方法及重用方法

本发明提供了一种粉末供应装置、粉末供应装置的粉末填充方法及重用方法，该粉末供应装置包括：容纳粉末的壳体；可转动地设置在所述壳体内的转动件；固定到所述转动件上的片状输送件，该片状输送件的与固定部分不同的自由端侧区域通过所述转动件的转动而滑动接触所述壳体的内壁并且沿着该内壁运动，以便输送粉末；以及设置在壳体处粉末输送方向上的下游侧的粉末供应开口，所述方法包括以这样的量向所述壳体内填充粉末，该量使得在开始使用所述粉末供应装置时，粉末的高度大于或等于所述转动件的底面的高度。

粉末供应装置、粉末供应装置的粉末填充方法及重用方法

本发明提供了一种粉末供应装置、该装置的粉末填充方法及重用方法，该装置包括：容纳粉末的壳体；可转动地设置在该壳体内的转动件；固定到该转动件上的片状输送件，该片状输送件的自由端侧区域滑动接触该壳体的内壁并且沿着该内壁运动，以便输送粉末；以及设置在壳体处粉末输送方向上的下游侧的粉末供应开口，其中，在从转动件的轴向方向观察时，所述壳体为扁平的大致矩形，该壳体的底壁的长度大于该壳体的侧壁的长度，并且所述片状输送件的所述自由端侧区域被构造成能够接触所述壳体的所述内壁的上表面；所述方法包括以这样的量向所述壳体内填充粉末，该量使得在开始使用所述粉末供应装置时，粉末的高度大于或等于所述转动件的底面的高度。

Elektrostatische kopieerinrichting.

Methods and apparatus for indicating low toner in a color laser imaging device

Methods and apparatus for indicating a low toner condition in a printer having a plurality of toner cartridges are provided. A method is provided which includes presenting a cartridge having low toner at a cartridge access way where the cartridge can be removed and replaced. The method can also include providing a carriage which can movably support the plurality of toner cartridges and can automatically move the cartridge having low toner to the cartridge access way when a low toner condition is detected. An apparatus is provided which includes a movable carriage which can move in a substantially linear manner. Other apparatus are provided which include a movable carriage which can move in a substantially rotational manner.

处理卡盒，处理卡盒组装方法和成象设备

一种处理卡盒，它能以可拆卸的方式安装于成象设备的主组件上，该处理卡盒包括：处理卡盒框；电照相感光件；可作用于上述感光件的处理装置，用于储存色剂的色剂储存部；装填口，它用于将色剂装填至上述色剂储存部；转印口，它能使形成在上述感光件上的色剂象转印至记录材料上；用于保护上述感光件的保护盖；用于支承上述保护盖的支承件；安装件，它安装于所说的处理卡盒框上而与安装在上述装填口上的罩盖相对向。

画像形成装置

显影盒、具有该显影盒的成像设备及成像设备的打印方法

本发明公开了一种显影盒、具有该显影盒的成像设备及成像设备的打印方法，其中，可用于成像设备的显影盒包括：壳体，具有显影构件，显影剂储存部分，储存被供应给显影构件的显影剂；安装部分，允许储存补充显影剂的至少一个显影剂盒被可拆卸地安装。即使在没有显影剂盒的情况下，也可使用显影剂储存部分中的显影剂执行打印操作。

Image forming apparatus

The image forming apparatus includes image forming parts, a developing device and a cleaner to clean at least the intermediate transfer material or the transfer device, wherein at the image forming operation starting time, in each image forming part, after starting the charging, the application of the developing bias is started before the top end of the charging portion of the image bearing member surface reaches a developing area in which the image bearing member and the developer bearing member are set against each other, and from among the areas on the image bearing member in which the charging is not yet performed in each image forming part, in case each area having passed the developing area when the developing bias is applied is brought into contact with the intermediate transfer member, the contact area with each area in the intermediate transfer member is controlled without superposing on the intermediate transfer member.

粉体供給器、粉体供給器への粉体充填方法、及び粉体供給器の再利用方法

【課題】現像装置の使用時のノイズ音を抑えることのできる粉体供給器の粉体充填方法及び粉体供給器の再利用方法を得る。 【解決手段】現像装置１０の使用開始時に第１回転部材５６及び第２回転部材６２の下面高さＴＤ以上となる量のトナーを、トナー充填時にハウジング１６の内部に充填する。これにより、現像装置１０の使用開始時から、第１攪拌搬送フィルム５８及び第２攪拌搬送フィルム６４の自由端の可撓領域が、少なくとも回転部材の１回転につき半回転以上の間、ハウジング１６内のトナーにより負荷を受ける。ハウジング１６内のトナーが無くなるまでの間に、第１攪拌搬送フィルム５８及び第２攪拌搬送フィルム６４に曲げ癖がつき、第１攪拌搬送フィルム５８及び第２攪拌搬送フィルム６４の自由端側がトナーの充填領域を通過した後の自由端側の加速度が低下して、ハウジング１６の内壁と接触する際のノイズ音を小さくすることができる。 【選択図】図２

Powder supplying device, method of filling powder into power supplying device, and method of reusing powder supplying device

Elektrostatische kopieerinrichting.

Inrichting voor het elektrostatisch kopieren.

프로세스 카트리지, 프로세스 카트리지 조립방법 및 화상 형성장치

본 발명은 화상 형성 장치의 주조립체에 착탈 가능하게 장착 가능한 프로세스 카트리지에 있어서, 카트리지 프레임과, 전자 사진 감광 부재와,상기 전자 감광 부재 상에 작동 가능한 프로세스 수단과, 상기 전자 사진 감광 부재 상에 형성된 잠상을 현상하는 토너를 수용부와, 캡에 의해 개방 가능하게 밀봉되어 상기 토너 수용부에 토너를 충전하기 위한 충전 개구와, 상기 카트리지 프레임 상에 제공되어 기록재에 상기 전자 사진 감광 부재 상에 형성된 토너 화상의 전사를 가능하게 하기 위한 전사 개구와, 상기 전자 사진 감광 부재를 보호하기 위한 보호 커버와, 상기 보호 커버가 상기 전사 개구를 덮는 보호 위치와 상기 보호 커버가 상기 전사 개구를 개방하는 후퇴 위치 사이에서 상기 보호 커버가 이동 가능하도록 상기 보호 커버를 지지하기 위한지지 부재와, 상기 충전 개구에 장착된 상기 캡에 대향하도록 상기 카트리지 프레임에 장착된 장착 부재를 포함하는 프로세스 카트리지에 관한 것이다.

Changeable process cartridge used in an image forming apparatus having a useable life determining means

The end of the operational life of a changeable process cartridge, including a developing device, is determined based on either the average particle size of the toner of a two component developing agent stored in the developing device or the number of printed image forming mediums. The average particle size of the toner of the two component developing agent is estimated from the detection voltage of a toner sensor, which detects the toner density of the two component developing agent stored in the developing device.

Perfezionamenti nei procedimenti di copiatura elettrostatica e relativa apparecchiatura

程序处理盒及配用的成像装置

一种可拆卸地安装在成像装置主要部件上的程序处理盒的处理盒框架，其中所述的处理盒具有一个电子摄影光敏件及用显影剂对光敏件上形成的静电潜像显影的显影装置，包括：一个包住所述的显影装置一部分的第一框架，具有一个含有所述显影装置用的显影剂的显影剂容器的第二框架，所述的第一框架和第二框架通过钩孔接合相互可分离地接合在一起。还公开了装有这种框架的处理盒及成像装置。

程序处理盒及配用的成象装置

可拆卸地安装在一个成象装置上的程序处理盒，有一个图象产生器，及对该图象产生器起作用的操作装置，一个装有该图象产生器和该操作装置的第一框架，和一个装有一个显影剂容器并可与第一框架啮合和拆开的第二框架。

Arbeitseinheit und Bilderzeugungsgerät mit einer solchen Einheit

Image forming apparatus

A controller of an image forming apparatus determines whether switching of a monochromatic recording mode to a color recording mode is necessary or not. In the case where the controller determines that the switching is necessary, the controller controls stepping motors of respective image forming units corresponding to respective colors of yellow, cyan, magenta and black to lower their outputs. Then, the controller controls a power transmission mechanism to execute a connecting operation so as to transmit a driving force to each of the image forming units corresponding to yellow, cyan and magenta. At the timing when the color printing should be performed, the controller controls respective developing rollers to start performing a developing operation in order of yellow, cyan, magenta and black.

色粉盒盖、色粉盒、以及处理卡盒

一种色粉盒盖，用于密封把色粉装进色粉容放盒的主体里面以容放色粉的色粉装填孔口，其包括：一密封部分，用于密封所述色粉装填孔口；一沟槽，用于嵌合设置在所述色粉容放盒主体上的一嵌合部分；其中所述沟槽，当所述色粉盒盖密封所述色粉装填孔口时，由所述嵌合部分予以嵌合。根据本发明的色粉盒盖可牢靠地密封色粉装填孔口，该盒盖不易从色粉装填孔口处偶然脱开。

显影盒和具有该显影盒的成像装置

本发明公开了一种成像装置，包括：墨粉盒主体；感光体，用来在可打印介质上散布显影剂；显影辊，用来向感光体供应显影剂；显影剂调节构件，调节由显影辊供应给感光体的显影剂的量，所述显影剂调节构件包括耦合到主体的支撑构件和弹性金属板，所述金属板具有从支撑构件延伸并且接触感光体的弯折部件；和弹性金属板的自由长度，其设置成随着弹性金属板的拉伸率增大而更短。因此，具有显影剂调节构件的自由端部的显影盒和成像装置可以被调节，从而根据显影剂调节构件的材料特性保持显影剂均匀。

Image forming apparatus

An image forming apparatus includes cartridges mounted to the main body of the image forming apparatus and including at least developing devices that develop latent images, formed on image bearing members, into toner images. The image forming apparatus forms an image onto a recording material. In the apparatus, for the developing devices, first and second cartridges containing toners having the same hue and having different brightnesses may be exchanged with respect to the main body of the image forming apparatus for use. In addition, a maximum toner amount with respect to the image bearing member when the first cartridge is used is made different from a maximum toner amount with respect to the image bearing member when the second cartridge is used.

驱动装置以及包括该驱动装置的成像设备

一种电子照相成像设备包括驱动装置，所述驱动装置包括：第一齿轮和第二齿轮；动力传送器，被构造为将沿一个方向施加的旋转力从电动机传递到第一齿轮和第二齿轮；凸轮，被构造为将动力传送器设定为释放模式、第一连接模式和第二连接模式中的一个，在释放模式中电动机与第一齿轮和第二齿轮断开连接，在第一连接模式中第一齿轮和第二齿轮中的一个连接到电动机，在第二连接模式中第一齿轮和第二齿轮中的另一个连接到电动机；以及离合器，被构造为选择性地将沿所述一个方向施加的旋转力从电动机传递到凸轮。