CN112782956B - Processing box and image forming device - Google Patents
Processing box and image forming device Download PDFInfo
- Publication number
- CN112782956B CN112782956B CN202011176860.2A CN202011176860A CN112782956B CN 112782956 B CN112782956 B CN 112782956B CN 202011176860 A CN202011176860 A CN 202011176860A CN 112782956 B CN112782956 B CN 112782956B
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- Prior art keywords
- elastic
- developing roller
- photosensitive drum
- powder
- image forming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000843 powder Substances 0.000 claims abstract description 60
- 239000002699 waste material Substances 0.000 claims abstract description 49
- 238000000926 separation method Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 54
- 238000009434 installation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/1671—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the photosensitive element
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/1676—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the developer unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
- G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The application discloses a processing box and an image forming device, wherein the processing box comprises a powder cylinder, a waste cylinder and an elastic separation component, the powder cylinder comprises a developing roller, the waste cylinder is movably connected with the powder cylinder, the waste cylinder comprises a photosensitive drum, and the elastic separation component is used for separating the developing roller from the photosensitive drum. When the image forming device releases the driving force applied to the elastic separation assembly, the elastic separation assembly returns to the initial position to enable the developing roller to be in contact with the photosensitive drum, and the device has a simple structure and is convenient to operate.
Description
Technical Field
The present application relates to the field of image forming technology, and more particularly, to a process cartridge and an image forming apparatus having the same.
Background
An image forming apparatus is a device that forms an image on a recording material by an electrophotographic image forming process technique, such as an electrophotographic copying machine, a laser printer, an electrophotographic printer, a facsimile machine, a word processor, and the like. The image forming apparatus generally includes a monochrome image forming apparatus and a color image forming apparatus.
An existing image forming apparatus includes a main body, and a process cartridge detachably mounted in the main body. The process cartridge generally includes a cartridge and a waste drum, and when the process cartridge is in an electrophotographic operating state, a developing roller in the cartridge is in contact with a photosensitive drum in the waste drum, and when the process cartridge is not in an electrophotographic operating state, it is necessary to separate the developing roller in the cartridge from the photosensitive drum in the waste drum.
However, the prior art is used for separating the developing roller from the photosensitive drum, and has a relatively complex structure and troublesome operation.
Disclosure of Invention
In order to overcome the problems of the prior art, the main object of the present application is to provide a process cartridge with simple structure and convenient operation.
In order to achieve the above purpose, the present application specifically adopts the following technical scheme:
the present application provides a process cartridge including:
A powder cartridge including a developing roller;
The waste material barrel is movably connected with the powder barrel and comprises a photosensitive drum;
an elastic separation assembly for separating the developing roller from the photosensitive drum;
When the image forming apparatus applies a driving force to the elastic separation assembly in a first direction, which is a direction opposite to the mounting direction of the process cartridge, the elastic separation assembly is displaced to push the powder cartridge and/or the waste cartridge to move or rotate to separate the developing roller from the photosensitive drum, and when the image forming apparatus releases the driving force applied to the elastic separation assembly, the elastic separation assembly returns to an initial position to bring the developing roller into contact with the photosensitive drum.
Preferably, the elastic separation assembly comprises a first elastic member and a driving member, wherein the first elastic member is connected with the driving member, the driving member generates displacement when the image forming device applies driving force to the driving member along a first direction so as to push the powder cylinder to rotate or move to separate the developing roller from the photosensitive drum, and the first elastic member is used for enabling the driving member to return to an initial position when the image forming device releases the driving force applied to the driving member.
Preferably, the powder cylinder is rotationally connected with the waste cylinder, the processing box further comprises an end cover, an installation cavity is formed in the end cover, the powder cylinder and the end part of the waste cylinder are arranged in the installation cavity, one end of the driving piece is connected with the inner wall of the installation cavity through the first elastic piece, and the other end of the driving piece penetrates through the installation cavity in a natural state.
Preferably, the process cartridge further includes an elastic member, the powder cartridge is connected to the waste cartridge via the elastic member, and the driving member is configured to drive the powder cartridge and the waste cartridge to move in opposition to each other, so that the developing roller is separated from the photosensitive drum.
Preferably, the elastic separation assembly further comprises a separation member arranged between the powder cylinder and the waste cylinder, the driving member is connected to the powder cylinder through the first elastic member, when the image forming device applies driving force to the driving member, the driving member moves along the first direction so as to push the separation member to move along a second direction and be inserted between the developing roller and the photosensitive drum, and the developing roller is separated from the photosensitive drum, wherein the second direction is perpendicular to the first direction.
Preferably, the process cartridge includes a process cartridge body, and the elastic separating member further includes a second elastic member, and the separating member is connected to the process cartridge body via the second elastic member.
Preferably, one end of the driving member far away from the first elastic member is provided with a first inclined plane, one end of the separating member near the driving member is provided with a second inclined plane, and the second inclined plane is arranged corresponding to the first inclined plane.
Preferably, one end of the separator, which is inserted between the developing roller and the photosensitive drum, is made of a flexible material.
Preferably, one end of the separating member, which is inserted between the developing roller and the photosensitive drum, is provided in a pointed structure.
Correspondingly, the application also provides an image forming device which comprises an image forming device main body and the processing box, wherein the processing box is detachably arranged on the image forming device main body.
Compared with the prior art, when the image forming device applies the driving force along the first direction to the elastic separation assembly, the elastic separation assembly generates displacement to drive the powder cylinder and/or the waste cylinder to move or rotate so as to separate the developing roller from the photosensitive drum, and when the image forming device main body releases the driving force applied to the elastic separation assembly, the elastic separation assembly returns to the initial position so as to enable the developing roller to be in contact with the photosensitive drum, and the image forming device has the advantages of simple structure and convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a set of four process cartridges of different colors according to an embodiment of the present application.
Fig. 3 is a cross-sectional view of a process cartridge according to an embodiment of the present application.
Fig. 4 is a cross-sectional view of a process cartridge according to another embodiment of the present application.
Description of the drawings:
1. Powder cylinder, 11, powder cylinder body, 111, first accommodating cavity, 112, receiving surface, 12, developing roller, 13, connecting piece, 14, first limiting piece, 15, second limiting piece, 2, waste cylinder, 21, waste cylinder body, 211, second accommodating cavity, 22, photosensitive drum, 3, elastic separating component, 31, driving piece, 311, first inclined plane, 312, connecting part, 313, first limiting part, 314, second limiting part, 315, driving surface, 316, pushing surface, 32, first elastic piece, 33, separating piece, 331, second inclined plane, 4, end cover, 41, cover body, 411, installing cavity, 412, opening, 42, connecting piece, 5, rotating shaft, 100, processing box, 200, image forming device main body, 201, processing box installing frame, 202, first pushing part, 203, second pushing part.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance unless otherwise expressly specified or stated, the term "plurality" is intended to be broadly construed, such as "connected" or "fixed" in either a fixed or removable or integral or electrical connection, or may be directly or indirectly connected via an intervening medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
The conventional image forming apparatus includes a main body, and a process cartridge detachably mounted in the main body. The process cartridge is provided with side walls along both ends of its length direction, respectively. The process cartridge generally contains a rotating member inside, which may be one or more of a photosensitive member, a developing member, a charging member, a powder feeding member, a gear member, and the like. Wherein the rotary element may be connected to the power receiving member and receive the driving force from the power receiving member. The power receiving member is generally provided on one side wall of the process cartridge for receiving a driving force from the main body of the image forming apparatus.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an image forming apparatus according to an embodiment of the present application, and fig. 2 is a schematic structural view of a set of four process cartridges of different colors according to an embodiment of the present application. The image forming apparatus includes an image forming apparatus main body 200 and a process cartridge 100, the process cartridge 100 being detachably mounted in the image forming apparatus main body 200.
Specifically, the image forming apparatus further includes a process cartridge mounting frame 201, a first pushing portion 202, and a second pushing portion 203. The cartridge mounting frame 201 is slidably attached to the image forming apparatus main body 200 for mounting the cartridge 100. The first pushing portion 202 and the second pushing portion 203 are provided on one side of the image forming apparatus main body 200, respectively. When the process cartridge 100 is mounted, the process cartridge mounting frame 201 is pulled out from the image forming apparatus main body 200, the process cartridge 100 is mounted in the process cartridge mounting frame 201, and the process cartridge mounting frame 201 is pushed into the image forming apparatus main body 200 in the mounting direction (+x direction in fig. 1). When the process cartridge 100 is mounted in place, the door of the image forming apparatus is closed, the first pushing portion 202 rotates and pushes the components on the process cartridge 100 in the mounting direction of the process cartridge 100, and when a separation operation of the developing roller from the photosensitive drum is required for the process cartridge 100, the second pushing portion 203 pushes the components on the process cartridge 100 in the opposite direction to the mounting direction of the process cartridge 100.
Referring to fig. 3, fig. 3 is a cross-sectional view of a process cartridge according to an embodiment of the present application. The process cartridge 100 includes a powder cartridge 1, a waste cartridge 2, and an elastic separation assembly 3. The powder cartridge 1 and the waste cartridge 2 are movably connected, and the powder cartridge 1 includes a developing roller 12, and the waste cartridge 2 includes a photosensitive drum 22. The elastic separation assembly 3 is configured to displace upon receiving the driving force applied by the second pushing portion 203, and thereby to push the powder cartridge 1 and/or the waste cartridge 2 to move or rotate by the elastic separation assembly 3, so that the developing roller 12 is separated from the photosensitive drum 22.
Specifically, when the second pushing portion 203 applies a driving force in a first direction to the elastic separating member 3, the elastic separating member 3 is displaced to drive the powder cartridge 1 and the waste cartridge 2 to move in opposition to each other, so that the developing roller 12 is separated from the photosensitive drum 22, and when the second pushing portion 203 releases the driving force applied to the elastic separating member 3, the elastic separating member 3 returns to an initial position (a position where the elastic separating member 3 is in the absence of a force) so that the developing roller 12 is brought into contact with the photosensitive drum 22, wherein the first direction is a direction opposite to the mounting direction of the process cartridge 100.
With continued reference to fig. 3, the process cartridge 100 further includes an elastic member. The powder cartridge 1 includes a cartridge body 11 and a developing roller 12, the cartridge body 11 having a first accommodating chamber 111, the first accommodating chamber 111 for accommodating the printing powder. The waste cartridge 2 includes a waste cartridge body 21 and a photosensitive drum 22, and the waste cartridge body 21 has a second accommodating chamber 211, the second accommodating chamber 211 for accommodating the used printing powder. When assembled, the developing roller 12 is connected to the powder cartridge body 11, and the photosensitive drum 22 is connected to the waste cartridge body 21. The waste cartridge body 21 is connected to the powder cartridge body 11 by an elastic member, and the developing roller 12 is in contact with the photosensitive drum 22 in the operating state of the process cartridge 100 for image formation.
Specifically, the cartridge 1 further includes a connector 13, and the connector 13 is connected to an end of the cartridge body 11 remote from the developing roller 12. The elastic separating assembly 3 includes a driving member 31, a first elastic member 32, a separating member 33, and a second elastic member (not shown in the drawings). The separating member 33 is provided between the cartridge body 11 and the waste cartridge body 21, and is connected to the body of the process cartridge via a second elastic member. The separating member 33 is interposed between the developing roller 12 and the photosensitive drum 22 to move the developing roller 12 and the photosensitive drum 22 in opposition to each other, thereby separating the developing roller 12 and the photosensitive drum 22. One end of the driving member 31 is connected to the connecting member 13 via the first elastic member 32, and the other end of the driving member 31 is used for pushing the separating member 33 to move the separating member 33 in the second direction. Wherein the first elastic member 32 is a tension spring.
When the second pushing portion 203 applies a driving force to the driving member 31 in the first direction, the driving member 31 moves in the first direction, and pushes the separating member 33 to move in the second direction, so that the separating member 33 is interposed between the developing roller 12 and the photosensitive drum 22, and the developing roller 12 is separated from the photosensitive drum 22. When the second pushing portion 203 releases the driving force applied to the driving member 31, the driving member 31 moves in a direction approaching the connecting member 13, that is, the driving member 31 moves in a direction away from the separating member 33 by the elastic force of the first elastic member 32, so that the driving member 31 is separated from the separating member 33. At this time, the separating member 33 moves in a direction away from the developing roller 12 and the photosensitive drum 22 by the second elastic member, and the developing roller 12 and the photosensitive drum 22 are brought into contact by the elastic member. Wherein the second direction is perpendicular to the first direction.
It will be appreciated that in other embodiments, it is also possible to design that the separating member 33 moves to push only the photosensitive drum 22 away from the developing roller 12 or that the separating member 33 moves to push only the developing roller 12 away from the photosensitive drum 22, so that the separation of the developing roller 12 and the photosensitive drum 22 can be achieved.
In the present embodiment, the end of the driving member 31 away from the first elastic member 32 has a first inclined surface 311, the end of the separating member 33 near the driving member 31 has a second inclined surface 331, and the first inclined surface 311 is disposed corresponding to the second inclined surface 331, so as to change the moving direction. It will be appreciated that in other embodiments, the change in direction of movement may also be achieved by a rack and pinion or bevel gear.
In order to prevent the separating member 33 from damaging the developing roller 12, the photosensitive drum 22 when interposed between the developing roller 12 and the photosensitive drum 22, one end of the separating member 33 for being interposed between the developing roller 12 and the photosensitive drum 22 is made of a flexible material, and the end is provided in a pointed structure, thereby making the process of separating the developing roller 12 and the photosensitive drum 22 smoother.
Further, the powder cylinder 1 further comprises a first limiting member 14 and a second limiting member 15, and the first limiting member 14 and the second limiting member 15 are connected to one end of the powder cylinder body 11 away from the developing roller 12 at intervals. The driving member 31 includes a connecting portion 312, a first limiting portion 313 and a second limiting portion 314, and two ends of the connecting portion 312 are respectively connected with the first limiting portion 313 and the second limiting portion 314. The first limiting portion 313 is connected with the connecting piece 13 through the first elastic piece 32, and the first limiting portion 313 and the first limiting piece 14 can be matched and limited. The second limiting portion 314 can be limited by matching with the second limiting member 15, and the first inclined surface 311 is disposed on the second limiting portion 314.
Referring to fig. 4, fig. 4 is a cross-sectional view of a process cartridge according to another embodiment of the present application. In this embodiment, the process cartridge 100 includes a powder cartridge 1, a waste cartridge 2, an elastic separation assembly 3, and an end cap 4. The powder cylinder 1 and the waste cylinder 2 are movably connected, the end cover 4 is arranged at the outermost sides of two ends of the powder cylinder 1 and the waste cylinder 2 in the length direction, the powder cylinder 1 and the waste cylinder 2 can be supported through the arrangement of the end cover 4, and meanwhile, the gear sets of the processing box and other parts can be protected from being separated. The elastic separation assembly 3 is connected to the end cover 4, and when the elastic separation assembly 3 receives a driving force along a first direction, the elastic separation assembly 3 moves towards a second direction to push the powder cylinder 1 to rotate, so that the developing roller 12 is separated from the photosensitive drum 22. The first direction is a direction opposite to the mounting direction of the process cartridge 100, and the second direction is a direction perpendicular to the first direction.
Specifically, the end cap 4 includes a cap body 41 and a connection member 42, the cap body 41 has a mounting cavity 411, the mounting cavity 411 is opened with an opening 412, and the connection member 42 is connected to an inner wall of the mounting cavity 411. The powder cartridge 1 includes a cartridge body 11 and a developing roller 12, the cartridge body 11 having a first accommodating chamber 111, the first accommodating chamber 111 for accommodating the printing powder. The waste cartridge 2 includes a waste cartridge body 21 and a photosensitive drum 22, and the waste cartridge body 21 has a second accommodating chamber 211, the second accommodating chamber 211 for accommodating used printing powder. During assembly, the developing roller 12 is connected to the powder cylinder body 11, the photosensitive drum 22 is connected to the waste cylinder body 21, the powder cylinder body 11 is connected with the waste cylinder body 21 through the rotating shaft 5 and the elastic component, the powder cylinder 1 and the waste cylinder 2 can relatively rotate when being stressed, the powder cylinder body can return to the initial positions when not stressed, and the end parts of the powder cylinder body 11 and the waste cylinder body 21 are positioned in the mounting cavity 411.
The elastic separating assembly 3 includes a driving member 31 and a first elastic member 32, the driving member 31 is disposed at the opening 412, and one end of the driving member 31 is connected to the connecting member 42 via the first elastic member 32, and the other end of the driving member 31 penetrates through the mounting cavity 411 in a natural state (i.e., in an unstressed state).
In the present embodiment, the driving member 31 is connected to the end cap via the first elastic member 32. It will be appreciated that in other embodiments, the driving member 31 may be connected to the body of the process cartridge or other components via the first elastic member 32.
Further, the driving member 31 has a driving surface 315 and a pushing surface 316, where the driving surface 315 and the pushing surface 316 are disposed diagonally, the driving surface 315 is configured to contact the second pushing portion 203 to receive the driving force applied by the second pushing portion 203, and the pushing surface 316 is configured to contact the powder container body 11 to push the powder container 1 to rotate.
When the second pushing portion 203 applies a certain driving force to the driving surface 315 of the driving member 31, the driving member 31 moves in the second direction. When the driving member 31 moves to the pushing position, the pushing surface 316 of the driving member 31 contacts the receiving surface 112 of the powder cylinder body 11, and as the driving member 31 is pressed down, the pushing surface 316 can push the powder cylinder body 11 to rotate around the rotation shaft 5, so that the developing roller 12 is separated from the photosensitive drum 22. When the second pushing portion 203 releases the driving force applied to the driving member 31, the driving member 31 moves away from the connecting member 42 by the elastic force of the first elastic member 32, so that the driving member 31 is separated from the powder cartridge 1 and returns to the initial position, and at this time, the elastic member between the powder cartridge 1 and the waste cartridge 2 can pull both to return to the initial position, so that the developing roller 12 contacts the photosensitive drum 22.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (9)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921865984 | 2019-11-01 | ||
| CN2019218659844 | 2019-11-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112782956A CN112782956A (en) | 2021-05-11 |
| CN112782956B true CN112782956B (en) | 2025-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022454888.XU Active CN213365266U (en) | 2019-11-01 | 2020-10-29 | Process cartridge and image forming apparatus |
| CN202011176860.2A Active CN112782956B (en) | 2019-11-01 | 2020-10-29 | Processing box and image forming device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022454888.XU Active CN213365266U (en) | 2019-11-01 | 2020-10-29 | Process cartridge and image forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213365266U (en) * | 2019-11-01 | 2021-06-04 | 纳思达股份有限公司 | Process cartridge and image forming apparatus |
| CN115047738B (en) * | 2022-06-09 | 2025-02-18 | 珠海市汇威精密制造有限公司 | A powder box |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213365266U (en) * | 2019-11-01 | 2021-06-04 | 纳思达股份有限公司 | Process cartridge and image forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005099691A (en) * | 2003-08-29 | 2005-04-14 | Canon Inc | Processing cartridge and electrophotographic image forming apparatus |
| JP3984978B2 (en) * | 2004-07-06 | 2007-10-03 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP3970279B2 (en) * | 2004-07-30 | 2007-09-05 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP4040636B2 (en) * | 2005-03-24 | 2008-01-30 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP2006337413A (en) * | 2005-05-31 | 2006-12-14 | Canon Inc | Electrophotographic image forming apparatus |
| JP4280770B2 (en) * | 2006-01-11 | 2009-06-17 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP4458377B2 (en) * | 2007-06-29 | 2010-04-28 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP4458378B2 (en) * | 2007-06-29 | 2010-04-28 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| CN102768487B (en) * | 2011-05-03 | 2014-08-27 | 珠海赛纳打印科技股份有限公司 | Developing box, image formation apparatus and image formation equipment |
| JP6202911B2 (en) * | 2012-09-07 | 2017-09-27 | キヤノン株式会社 | Image forming apparatus, process cartridge |
| CN204790320U (en) * | 2015-07-14 | 2015-11-18 | 江西镭博钛电子科技有限公司 | Processing box |
-
2020
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| CN213365266U (en) * | 2019-11-01 | 2021-06-04 | 纳思达股份有限公司 | Process cartridge and image forming apparatus |
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| CN112782956A (en) | 2021-05-11 |
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