CN101661264B - Processing unit and image forming apparatus - Google Patents
Processing unit and image forming apparatus Download PDFInfo
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- CN101661264B CN101661264B CN 200910171338 CN200910171338A CN101661264B CN 101661264 B CN101661264 B CN 101661264B CN 200910171338 CN200910171338 CN 200910171338 CN 200910171338 A CN200910171338 A CN 200910171338A CN 101661264 B CN101661264 B CN 101661264B
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Abstract
A processing unit according to this invention includes a photosensitive drum, an initial detection gear, a rotation stop, and a stopper arm. The photosensitive drum forms an electrostatic latent image on a surface thereof. The initial detection gear is a member which is rotatable in a manner linked to rotation of the photoreceptor for identifying the processing unit as a new one or an old one. The rotation stop is provided on the photosensitive drum. The stopper arm is engageable with the rotation stop.
Description
Technical field
The present invention relates to a kind of processing unit and the imaging device that comprises this processing unit.
Background technology
The easy consumption parts that in electrophotographic image forming, use finally can reach the final period in its life-span along with frequent use and need be replaced at certain day.These situation comprise: the situation that toner to be supplied has used up in the container of toner Cartridge; Used developer rudimentary situation aspect permanance in the processing unit; Be full of the situation of waste toner with the waste toner container.
Generally speaking, imaging device is configured to detect the easy consumption parts that reached final period in life-span, and the easy consumption parts of pointing out the user more to renew.One of these configurations are the configurations that is equipped with the new/old testing agency that is used to discern new or old easy consumption parts.By this new/old testing agency detects and is prone to the final feasible method of consumption component life and comprises: for being prone to the consumption parts electrical storage device is provided; And with in the information write storage device.Yet this kind method has produced following problem: increased operating cost owing to semiconductor storage is very expensive, thereby made easy consumption parts itself become expensive.
Consider this problem, a kind of do not use any such as semiconductor storage expensive components and be to use the imaging device of more cheap relatively new/old testing agency to be disclosed (seeing that Japanese Patent Laid discloses 2003-316227 number).
In order to keep high image quality, on the opportunity of employed easy consumption parts, be crucial the opportunity of particularly replacing processing unit in the replacement imaging device.Also there are the needs that further are reduced to the picture equipment size.Along with reducing on the size of this imaging device, the processing unit that uses therein also must be reduced.Therefore, the new/old testing agency that is used to discern new or old processing unit also must be reduced.Yet Japanese Patent Laid discloses the new/old testing agency described in 2003-316227 number and has following problem: because its complicated configuration, new/old testing agency can not adapt to reducing on the size of processing unit.In addition, in case the replacement processing unit, imaging device must correctly be identified as new processing unit with the processing unit of replacing.Yet; Japanese Patent Laid discloses the technology described in 2003-316227 number and produces inconvenience; If promptly in the operating process that processing unit is installed on the imaging device, rotated the gearing of new/old testing agency accidentally; Even processing unit is new, this processing unit can not be identified as new processing unit by imaging device.
Consider foregoing problems, the invention is intended to provide a kind of processing unit, new or old even it also can make imaging device correctly processing unit is identified as when making the imaging device miniaturization.
Summary of the invention
The treatment in accordance with the present invention unit comprises photoreceptor, new/old detection part, rotation stopping device and detent.
Photoreceptor is configured to form in its surface electrostatic latent image.Newly/and old detection part has service portion, and when the processing unit main body that comprises photoreceptor was installed on the imaging equipment body, this service portion was with the mode that is associated with the rotation of photoreceptor rotational fixation angle irreversibly.Newly/old detection part is whether imaging equipment body is detected and the parts that processing unit are identified as new or old processing unit by imaging equipment body according to service portion.Can not be after rotating this fixed angle like employed statement among the present invention " irreversibly rotational fixation angle " expression service portion to the commentaries on classics of circling round, and can not the bigger angle of this fixed angle of speed ratio.The rotation stopping device is set on the photoreceptor.Detent prevents the photoreceptor rotation through engaging with the rotation stopping device.
Aforementioned and further feature of the present invention and the advantage that accompanies with it will combine the content of accompanying drawing to become more obvious from following detailed description of the present invention.
Description of drawings
Fig. 1 is the view that illustrates according to the configuration of the imaging device of embodiment of the present invention;
Fig. 2 illustrates the view that omits outside framework according to the imaging device of embodiment of the present invention;
Fig. 3 illustrates the view that omits outside framework and waste toner container according to the imaging device of embodiment of the present invention;
Fig. 4 illustrates the view that omits outside framework, waste toner container and positioning unit according to the imaging device of embodiment of the present invention;
Fig. 5 illustrates the view that omits outside framework, waste toner container, positioning unit and developing cell according to the imaging device of embodiment of the present invention;
Fig. 6 is the view that illustrates according to the positioning unit of the imaging device of embodiment of the present invention;
Fig. 7 A illustrates the view that is included in according to the end face of the photosensitive drums in the processing unit of the imaging device of embodiment of the present invention;
Fig. 7 B is the part skeleton view of the photosensitive drums shown in Fig. 7 A;
Fig. 8 is the view that illustrates according to the positioning unit of the imaging device of embodiment of the present invention;
Fig. 9 is the view that illustrates according to the developing cell of the imaging device of embodiment of the present invention;
Figure 10 is the view that illustrates according to the developing cell of the imaging device of embodiment of the present invention;
Figure 11 is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention;
Figure 12 is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention;
Figure 13 A is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention;
Figure 13 B is the view that is illustrated in the state that arm and rotation stopping device are bonded with each other in the processing unit;
Figure 14 A is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention;
Figure 14 B is the view that is illustrated in arm and the separated state of rotation stopping device in the processing unit;
Figure 15 is the view that the state that developing cell engages with processing unit according to the imaging device of embodiment of the present invention is shown;
Figure 16 is about the block diagram according to the part of the imaging device of embodiment of the present invention;
Figure 17 illustrates the view that untapped processing unit 400 just has been installed in the state on the imaging device 100; And
Figure 18 illustrates supposition when the view that is installed in the state when beginning to be used according to the processing unit on the imaging device of embodiment of the present invention.
Embodiment
After this, will specify according to the processing unit of realizing optimum way of the present invention and the imaging device that comprises this processing unit with reference to accompanying drawing.
Fig. 1 is the view that illustrates according to the configuration of the imaging device of embodiment of the present invention.
Electrostatic charging device 20 be used for equably with the peripheral surface static of photosensitive drums 10 be charged to the device of predetermined potential.Except the electrostatic charging device of charger type shown in Figure 1, use the contact-type electrostatic charging device of roller or brush also can be used.
Exposing unit 30 has following function: the photosensitive drums 10 that will be under the electrostatic charging state according to the view data of importing is exposed under the light, forms electrostatic latent image according to the view data on the peripheral surface of photosensitive drums 10 thus.Exposing unit 30 be built as have laser emission section, the laser scan unit (LSU) of catoptron etc.In exposing unit 30, be furnished with the polygonal mirror that is used for laser beam scanning and be used for being directed to the optical module on the photosensitive drums 10, such as lens and minute surface by polygonal mirror laser light reflected light.Exposing unit 30 can adopt following technology, even with the write head that has such as the array of other light-emitting device of EL or LED.
Developing apparatus 40 is configured to manifest the electrostatic latent image that is formed on the photosensitive drums 10.
Intermediate transfer belt unit 50 comprises intermediate transfer belt 51, intermediate transfer belt driven roller 52, intermediate transfer belt driven voller 53, intermediate transfer rollers 54 and intermediate transfer belt cleaning unit 55.
Toner image is the transfer printing on 51 from photosensitive drums 10 to intermediate transfer belt, contacts with the reverse side of intermediate transfer belt 51 through intermediate transfer rollers 54 and realizes.Intermediate transfer rollers 54 is applied in high transfer bias (that is, having the high voltage of polarity (-) antipole property (+) with the toner of charging), with the transfer printing toner image.Intermediate transfer rollers 54 is to comprise the axle of the metal (for example, stainless steel) as 8 to 10mm diameters of base material and the roller of the conductive elastomer (for example, EPDM or isocyanurate foam) that covers the axle surface.Conductive elastomer can make intermediate transfer belt 51 applied with high voltage equably.Although this embodiment uses the transfer printing electrode of roll form, also can use the transfer printing electrode of form such as brush.
The electrostatic latent image that so on each photosensitive drums 10, manifests is transferred on the intermediate transfer belt 51 with mutual superposition.The swivel feeding of the image information that is obtained by the stack of toner image through intermediate transfer belt 51 be to the contact position place recording paper and the intermediate transfer belt 51, and be transferred on the recording paper through the transfer roll 56 that places the contact position place subsequently.
At this moment, intermediate transfer belt 51 and transfer roll 56 be with predetermined compression pressure mutual extrusion, and transfer roll 56 is applied in to be used for that toner is transferred to voltage on the recording paper (that is, have with polarity (-) the antipole property (+) of the toner of charging high voltage).In order stably to obtain above-mentioned squeeze pressure, transfer roll 56 comprises hard material (for example, metal etc.) with one of intermediate transfer belt driven roller 52, and another comprises the soft material such as resilient roller (for example, elastic caoutchouc roller, swollen resin roller etc.).
Through between photosensitive drums 10 and the intermediate transfer belt 51 contact attached to the toner on the intermediate transfer belt 51, or on intermediate transfer belt 51 residue and be not transferred to the residue toner on the recording paper through transfer roll 56, by 55 removals of intermediate transfer belt cleaning unit and collection.Intermediate transfer belt cleaning unit 55 comprises that for example cleaning blade is as the cleaning member of contact intermediate transfer belt 51.The intermediate transfer belt 51 that contacts with cleaning blade is supported from its reverse side by intermediate transfer belt driven voller 53.
The residue toner on the peripheral surface that remains in photosensitive drums 10 after the image transfer operation after the development operation is removed and be collected in to cleaning unit 60.
Needing under the situation of duplex printing; When accomplish that aforesaid one side is printed and through the paper of fixation unit 70 when being clamped between the paper delivery roller 92 along the place thereafter, paper delivery roller 92 rotate backward with paper feed to feed rolls 102 and subsequently with paper feed to feed rolls 103.After this, paper is standing the reverse side printing after between the alignment rolls 104, and is delivered to subsequently on the catch tray 91.
Fig. 2 illustrates the view that omits outside framework according to the imaging device of embodiment of the present invention.
In imaging device 100, after carrying out transfer printing, the residue toner can remain on the photosensitive drums 10 usually.Owing to this reason, imaging device 100 is provided with and is used to remove the cleaning unit 4 that remains in these residue toners on the photosensitive drums 10 and is used for storing therein by the waste toner container 200 of cleaning unit 4 from the waste toner of photosensitive drums 10 removals.Waste toner container 200 can be removed from imaging device 100.
Fig. 3 illustrates the view that omits outside framework and waste toner container according to the imaging device of embodiment of the present invention.
In waste toner container 200 back, be provided with toner discharging port 210 and positioning unit 300.Toner discharging port 210 is the passages that are used for the waste toner of being removed from photosensitive drums 10 by cleaning unit 4 is transported to waste toner container 200.Positioning unit 300 is the unit that are used for comprising with respect to imaging device 100 location the replaceable processing unit 400 of photosensitive drums 10.
Fig. 4 illustrates the view that omits outside framework, waste toner container and positioning unit according to the imaging device of embodiment of the present invention.
In positioning unit 300 back, be provided with developing apparatus 40 and processing unit 400.Developing apparatus 40 can be removed from imaging device 100 with processing unit 400.
Fig. 5 illustrates the view that omits outside framework, waste toner container, positioning unit and developing cell according to the imaging device of embodiment of the present invention.
Fig. 6 is the view that illustrates according to the positioning unit of the imaging device of embodiment of the present invention.
When processing unit 400 was positioned 300 location, unit, detector switch 460 can be pressed by the processing unit that detects brand-new state 400 through the pressure part 410 that is set on the processing unit 400.Pressure part 410 is equivalent to the service portion that is limited the present invention.Especially, detector switch 460 have treat by pressure part 410 press by part.When this part is pressed on time, set up to electrically contact so that processing unit 400 is identified as new processing unit.Pressed on time when this part maintenance, the current processing unit 400 that is installed on the imaging device 100 is identified as old processing unit.
Fig. 7 comprises the view that is included in according to the end face of the photosensitive drums in the processing unit of the imaging device of embodiment of the present invention is shown.
Fig. 7 A and 7B are that the drum that the end face of photosensitive drums 10 omission covering photosensitive drums 10 is shown covers 450 view.The end face of photosensitive drums 10 is equivalent to the rotating part that is limited the present invention.The end face of photosensitive drums 10 is provided with linkage gear 12 and rotation stopping device 32.Drum covers 450 and supports initial detecting gearing 411 and brake shaft 446 above that.Initial detecting gearing 411 is equivalent to the new/old detection part that is limited the present invention.Framework 415 is attached on the photosensitive drums 10.Drum axle 34 is the projection form.
Initial detecting gearing 411 has linkage gear 418, thereby and rotates with the mode that is connected with linkage gear 12 around being supported on rotation support sector 416.Initial detecting gearing 411 also has pressure part 410 and junction surface 412.When processing unit 400 is installed in 100 last times of imaging device, the mode that pressure part 410 is associated with the rotation with photosensitive drums 10 along the arrow P indicated direction is the rotational fixation angle irreversibly.Statement " irreversibly rotational fixation angle " be meant pressure part 410 after rotational fixation angle since junction surface 412 with subsequently with engaging and can not rotate backward between the joint 414 of description, and can not the bigger angle of this fixed angle of speed ratio.
Initial detecting gearing 411 is used to processing unit is discerned new or old.Brake shaft 446 flexiblely supports brake toggle 440, brake toggle 440 is pressed to the end face of photosensitive drums 10.Brake toggle 440 is equivalent to the detent that is limited the present invention.Brake toggle 440 has teat 442 and arm 444.Rotation stopping device 32 is through preventing the rotation of photosensitive drums 10 with engaging of brake toggle 440.In the time of in being installed in positioning unit 300, correctly be positioned in the imaging device 100 along the drum axle 34 of the axial direction projection of photosensitive drums 10.
Fig. 7 illustrates when processing unit 400 and is installed in 100 last times of imaging device, is positioned at the end face of the photosensitive drums 10 on the positioning unit 300 residing sides.When positioning unit 300 was closed after processing unit 400 has been installed on the imaging device 100, initial detecting gearing 411 contacted with detector switch 460.On the other hand; When positioning unit 300 is in when opening under the state that is installed on the imaging device 100 at processing unit 400; Initial detecting gearing 411 is exposed, and is easy to thus visually check whether initial detecting gearing 411 indicates brand-new state or oldState.
Fig. 8 is the view that illustrates according to the positioning unit of the imaging device of embodiment of the present invention.
Fig. 9 is the view that illustrates according to the developing cell of the imaging device of embodiment of the present invention.
Developing apparatus 40 has side members 42.Side members 42 can be installed in the processing unit 400.By this joint the between developing apparatus 40 and the processing unit 400, it is constant that the spacing between developing apparatus 40 and the processing unit 400 keeps, and stably guarantees the good quality of image.
Figure 10 is the view that illustrates according to the developing cell of the imaging device of embodiment of the present invention.
Figure 10 illustrates developing apparatus 40 from the direction opposite with the view direction of Fig. 9.Side members 42 has detent and breaks away from teat 22.Detent disengaging teat 22 is pressed when developing apparatus 40 joining process unit 400 and is pressed teat 442.Subsequently, break away from from rotation stopping device 32, allow photosensitive drums 10 rotations thus thereby the end face of arm 444 and photosensitive drums 10 is spaced apart.This kind mechanism will describe with reference to Figure 13 and 14 afterwards.
Figure 11 is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention.
Figure 11 illustrates the state of supposition before the mode that initial detecting gearing 411 is associated with the rotation with photosensitive drums 10 is rotated.When initial detection gearing 411 is under this kind state; When after processing unit 400 is being installed on the imaging device 100, being positioned 300 location, unit; Pressure part 410 is pressed and is pressed detector switch 460, can make imaging device 100 that processing unit 400 is identified as new processing unit thus.
Figure 12 is the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention.
Figure 13 comprises the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention.
Figure 13 A illustrates to omit to rouse and covers 450 processing unit 400.Processing unit 400 shown in Figure 13 A is new.Figure 13 B is the view that the state that arm 444 and rotation stopping device 32 be bonded with each other is shown.Ribbon brake arm 440 has the central part of being supported by the brake shaft that comprises spring therein 446.Spring biasing detent arm 440 make its teat 442 sides be pushed to away from photosensitive drums 10, and its arm 444 sides is pushed to contact photosensitive drums 10.Photosensitive drums 10 only can be along the direction rotation of arrow N.When arm 444 engaged rotation stopping device 32, photosensitive drums 10 was prevented from rotation.
Figure 14 comprises the view that illustrates according to the processing unit of the imaging device of embodiment of the present invention.
Figure 14 A illustrates to omit to rouse and covers 450 processing unit 400.Processing unit 400 shown in Figure 14 A is old.Figure 14 B is the view that arm 444 and the rotation stopping device 32 mutual states that break away from are shown.Initial detecting gearing 411 has linkage gear 418.When processing unit 400 when being new, linkage gear 418 is in the state that is meshed with linkage gear 12.Because arm 444 is spaced apart with photosensitive drums 10 when detent disengaging teat 22 pressures are pressed teat 442, arm 444 breaks away to allow photosensitive drums 10 to rotate from rotation stopping device 32.Thus, when arm 444 when rotation stopping device 32 breaks away from, initial detecting gearing 411 along with the rotation of photosensitive drums 10 with the direction rotation of the mode that is associated along arrow P.
Although rotation stopping device 32 also rotates along with the rotation of photosensitive drums 10, because shown in Figure 14 B, brake shaft 446 is spaced apart from photosensitive drums 10, any parts can not disturb the rotation of rotation stopping device 32.When 411 rotations of initial detection gearing with through the precalculated position time, junction surface 412 engages with joint 414 to prevent that the initial detecting gearing 411 edges direction relative with the direction of arrow P from rotating.Thus, the position shown in pressure part 410 is fixed on, it allows imaging device 100 that processing unit 400 is identified as old processing unit.
Figure 15 is the view that developing apparatus and the state that engages according to the processing unit in the imaging device of embodiment of the present invention are shown.
When side members 42 is installed in drum when cover in 450, processing unit 400 is located with developing apparatus 40 substantially each other.Thus, when processing unit 400 and developing apparatus 40 are installed in 100 last times of imaging device, processing unit 400 can not rock with developing apparatus 40, thereby has guaranteed the formation of high quality graphic.Processing unit 400 and developing apparatus 40 are being installed in 100 last times of imaging device, developing apparatus 40 is mounted after processing unit 400 has been installed on the imaging device 100.Through with this order installation treatment unit 400 and developing apparatus 40 on imaging device 100, initial detecting gearing 411 is being installed in processing unit 400 not understanding inner rotary in the operating process on the imaging device 100.
Figure 16 is about the block diagram according to the part of the imaging device of embodiment of the present invention.This block diagram only demonstrates the part relevant with the present invention.
Press on time by pressure part 410 when detector switch 460, be transferred to CPU 500, the signal that CPU 500 and then transmission indication counter 510 are reset its count value about this true information.When the count value of counter 510 has reached predetermined value, be transferred to CPU 500 about this true information, CPU 500 and then transmission signals, 520 demonstrations of indicated number portion need the result's of replacing processing unit 400 information.
Figure 17 illustrates processing unit to be installed in the view according to the state on the imaging device of embodiment of the present invention.
Figure 17 illustrates the processing unit 400 that is not used and just has been installed in the state on the imaging device 100.In Figure 17, front parts 330 omit to show detector switch 460 from positioning unit 300.As stated, positioning unit 300 has detector switch 460.
Below be that processing unit 400 and developing apparatus 40 are installed in the step on the imaging device 100.At first, processing unit 400 is installed on the imaging device 100.Subsequently, developing apparatus 40 is installed on the imaging device 100 with joining process unit 400.At last, processing unit 400 is located and is fixed in the imaging device 100 by positioning unit 300 with developing apparatus 40.
When processing unit 400 and developing apparatus 40 are fixed to 100 last times of imaging device by positioning unit 300, detector switch 460 is pressed by pressure part 410 and is pressed.Press through being pressed by pressure part 410, detector switch 460 generates the ON signal, makes imaging device 100 that processing unit 400 is identified as new processing unit.
Figure 18 illustrates supposition at the view that is installed in the state when beginning to be used according to the processing unit on the imaging device of embodiment of the present invention.
When processing unit 400 was brought into use, initial detecting gearing 411 was along with the rotation of photosensitive drums 10 is rotated with the mode that is associated, thereby made pressure part 410 move to the position of cushion part 420.When pressure part 410 arrived this position, the rotation that is associated of initial detecting gearing 411 stopped.Owing to can not press by detector switch 460 at the pressure part 410 of this position, counter 510 is not reset.When pressure part 410 was in this position, junction surface 412 engaged to stop the rotation that is associated of initial detecting gearing 411 with joint 414.Thus, even after interim taking-up the from imaging device 100, be installed in 100 last times of imaging device once more when processing unit 400, pressure part 410 can not return its initial position yet.Thus, pressure part 410 can not pressed by detector switch 460 once more.Therefore, even repeatedly take out and when fixed thereon from imaging device 100 when processing unit 400, counter 510 is the access times of calculation processing unit 400 correctly also.
Aforementioned embodiments is illustrative in all its bearings, should not be regarded as limiting the present invention.Scope of the present invention can't help aforementioned embodiments and is limited, but is limited the claim of enclosing.In addition, scope of the present invention is intended to comprise in the claim scope and the meaning of the equivalent form of value and all changes in the scope.
Claims (9)
1. processing unit comprises:
Be configured to form in its surface the photoreceptor of electrostatic latent image;
New/old detection part with service portion; When the processing unit main body that comprises said photoreceptor is installed on the imaging equipment body; Said service portion is with the mode that is associated with the rotation of said photoreceptor rotational fixation angle irreversibly; Said new/whether old detection part can make said imaging equipment body detected by said imaging equipment body according to said service portion, said processing unit is identified as new or old processing unit;
Be arranged on the rotation stopping device on the said photoreceptor; With
Through engage the detent that prevents said photoreceptor rotation with said rotation stopping device, wherein
, said rotation stopping device and said detent allow said photoreceptor to rotate once more when breaking away from each other,
Said photoreceptor have be used to make said new/first linkage gear that old detection part rotates with the mode that is associated with the rotating part of this photoreceptor,
Said new/old detection part has second linkage gear that rotates with the mode that is associated with said first linkage gear,
Said new/old detection part has the junction surface, is used to prevent that said service portion rotates to by the detected position of said imaging equipment body after the rotation that is associated of this new/old detection part has stopped,
Said processing unit main body has the joint that engages with said junction surface,
When said junction surface arrived it with position that said joint engages, said first linkage gear and said second linkage gear broke away from each other, make service portion no longer rotate.
2. imaging device comprises:
Processing unit as claimed in claim 1; With
The developing cell that can engage with said processing unit.
3. imaging device as claimed in claim 2, wherein said developing cell have and are used for releasing mechanism that said detent is broken away from from said rotation stopping device.
4. imaging device as claimed in claim 3, wherein said developing cell is installed on the said imaging equipment body after said processing unit has been installed on the said imaging equipment body.
5. imaging device comprises:
The processing unit of replaceable use in imaging equipment body, said processing unit has photoreceptor; With
Be configured to the positioning unit of the said processing unit in location in said imaging equipment body, wherein:
Said processing unit comprises the new/old detection part with service portion; When said processing unit is installed on the said imaging equipment body; Said service portion is with the mode that is associated with the rotation of said photoreceptor rotational fixation angle irreversibly, said new/whether old detection part can make said imaging equipment body detected by said imaging equipment body according to said service portion said processing unit is identified as new or old processing unit; And
Said positioning unit has testing agency, and the processing unit of brand-new state can be when said processing unit is located detects in said testing agency through the effect of said service portion in said imaging equipment body,
Said photoreceptor have be used to make said new/first linkage gear that old detection part rotates with the mode that is associated with the rotating part of this photoreceptor,
Said new/old detection part has second linkage gear that rotates with the mode that is associated with said first linkage gear,
Said new/old detection part has the junction surface, is used to prevent that said service portion rotates to the position of said service portion pressure by said testing agency after the rotation that is associated of this new/old detection part has stopped,
Said processing unit has the joint that engages with said junction surface,
When said junction surface arrived it with position that said joint engages, said first linkage gear and said second linkage gear broke away from each other, make service portion no longer rotate.
6. imaging device as claimed in claim 5, wherein said positioning unit have the switching mechanism that when said processing unit will be installed on the said imaging equipment body or take out from it, can open and close.
7. imaging device as claimed in claim 5, wherein said processing unit have be used to protect said new/cushion part of old detection part.
8. imaging device as claimed in claim 5, wherein:
Said processing unit make said new/old testing agency is provided with in its surface, said surface is positioned on the side that said positioning unit is positioned at when said processing unit is installed on the said imaging equipment body; And
Said new/old detection part is configured to, when said positioning unit is closed and said processing unit when being in the state that is installed on the said imaging equipment body, said new/old detection part contacts with said testing agency.
9. imaging device as claimed in claim 5, an end of wherein said processing unit are provided with and are configured to receive the drive transmission of driving force with the assembly that drives said processing unit, and the opposite end be provided with said new/old detection part.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008219977 | 2008-08-28 | ||
| JP2008-219976 | 2008-08-28 | ||
| JP2008-219977 | 2008-08-28 | ||
| JP2008219976 | 2008-08-28 | ||
| JP2008219976A JP4731588B2 (en) | 2008-08-28 | 2008-08-28 | Image forming apparatus |
| JP2008219977A JP4722170B2 (en) | 2008-08-28 | 2008-08-28 | Process unit and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101661264A CN101661264A (en) | 2010-03-03 |
| CN101661264B true CN101661264B (en) | 2012-06-13 |
Family
ID=41789333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910171338 Expired - Fee Related CN101661264B (en) | 2008-08-28 | 2009-08-27 | Processing unit and image forming apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4731588B2 (en) |
| CN (1) | CN101661264B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6091180B2 (en) * | 2012-11-21 | 2017-03-08 | キヤノン株式会社 | Image forming apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07160173A (en) * | 1993-12-07 | 1995-06-23 | Ricoh Co Ltd | Image forming device |
| JP3277115B2 (en) * | 1996-03-18 | 2002-04-22 | シャープ株式会社 | Electrophotographic equipment |
| JP3384933B2 (en) * | 1996-06-14 | 2003-03-10 | 株式会社リコー | Image forming device |
| JP4007531B2 (en) * | 2000-10-30 | 2007-11-14 | 株式会社リコー | Image forming apparatus |
| JP4886127B2 (en) * | 2001-09-13 | 2012-02-29 | キヤノン株式会社 | Cartridge and electrophotographic image forming apparatus |
| JP2004109876A (en) * | 2002-09-20 | 2004-04-08 | Ricoh Co Ltd | Image forming apparatus and latent image carrier unit mounted thereon |
| JP4857739B2 (en) * | 2005-11-30 | 2012-01-18 | ブラザー工業株式会社 | Image forming apparatus and developing cartridge |
-
2008
- 2008-08-28 JP JP2008219976A patent/JP4731588B2/en active Active
-
2009
- 2009-08-27 CN CN 200910171338 patent/CN101661264B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010054822A (en) | 2010-03-11 |
| CN101661264A (en) | 2010-03-03 |
| JP4731588B2 (en) | 2011-07-27 |
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