CN108333902B - Detection method of anti-pollution paper detection equipment of processing box - Google Patents
Detection method of anti-pollution paper detection equipment of processing box Download PDFInfo
- Publication number
- CN108333902B CN108333902B CN201810006082.9A CN201810006082A CN108333902B CN 108333902 B CN108333902 B CN 108333902B CN 201810006082 A CN201810006082 A CN 201810006082A CN 108333902 B CN108333902 B CN 108333902B
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- conductive contact
- photosensitive drum
- developing roller
- charging roller
- motor
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- 238000001514 detection method Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 11
- 238000011109 contamination Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- G03G21/1875—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 provided with identifying means or means for storing process- or use parameters, e.g. lifetime of the cartridge
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
The invention relates to an anti-pollution paper detection device of a processing box, wherein the processing box comprises a photosensitive drum, a charging roller and a developing roller; the method is characterized in that: the antifouling paper detection equipment comprises a switch, an indicator light, a first supporting plate, a second supporting plate, a charging roller conductive contact, a photosensitive drum conductive contact and a developing roller conductive contact, wherein the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact are arranged on the first supporting plate; the second supporting plate is arranged on one side of the detection equipment corresponding to the first supporting plate; the detection equipment is also provided with a first motor, a photosensitive drum driving shaft and a connecting rod connected with the first motor, and the other end of the connecting rod is connected with the piston; the antifouling paper detection equipment is also provided with a first detection element and a second detection element; the first detection element is connected with the conductive contact of the charging roller and the conductive contact of the photosensitive drum; and the second detection element is connected with the conductive contact of the developing roller and the conductive contact of the photosensitive drum. After the device is adopted, the detection of the anti-pollution paper is more convenient and quicker, and the processing box cannot be damaged.
Description
Technical Field
The present invention relates to a process cartridge for use in an electrophotographic image forming apparatus such as a laser printer, a copying machine, or a facsimile machine; more particularly, the present invention relates to a method and apparatus for detecting whether an anti-staining paper is mounted in place on a processing box.
Background
The prior art processing box comprises a photosensitive drum, a charging roller and a developing roller; however, the charging roller and the developing roller are in contact with the photosensitive drum for a long period of time during transportation, storage, and the like of the process cartridge, and the charging roller and the developing roller contaminate the photosensitive drum. Therefore, the existing process method of the processing box is to place the anti-pollution paper between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller through tooling equipment before the processing box leaves a factory.
Through the installation of frock with anti-staining paper, although efficient, the uniformity of handling the box is more stable, is difficult to receive the human factor influence, but anti-staining paper is whether accurately install between sensitization drum and the roller that charges or between sensitization drum and the developer roll, hardly discovers.
Disclosure of Invention
The invention aims to solve the technical problems and provides equipment and a detection method for detecting whether antifouling paper is installed in place more quickly and conveniently.
The technical scheme of the invention is as follows:
an anti-contamination paper detection apparatus of a process cartridge including a photosensitive drum, a charging roller, a developing roller; the antifouling paper detection equipment comprises a switch, an indicator light, a first supporting plate, a second supporting plate, a charging roller conductive contact, a photosensitive drum conductive contact and a developing roller conductive contact, wherein the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact are arranged on the first supporting plate; the second supporting plate is arranged on one side of the detection equipment corresponding to the first supporting plate; the detection equipment is also provided with a first motor, a photosensitive drum driving shaft and a connecting rod connected with the first motor, and the other end of the connecting rod is connected with the piston; the antifouling paper detection equipment is also provided with a first detection element and a second detection element; the first detection element is connected with the conductive contact of the charging roller and the conductive contact of the photosensitive drum; the second detection element is connected with the conductive contact of the developing roller and the conductive contact of the photosensitive drum; the detection method comprises the following steps:
firstly, placing a processing box between a first supporting plate and a second supporting plate, and starting a switch;
secondly, the anti-pollution paper detection equipment provides voltage for the charging roller conductive contact and the developing roller conductive contact;
thirdly, the piston is started and pushes the connecting rod to move towards the direction close to the processing box, and the connecting rod drives the first motor, the photosensitive drum driving shaft, the second motor and the developing roller to axially move towards the direction close to the processing box;
fourthly, detecting current values between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller by the first detecting element and the second detecting element respectively;
comparing the current values detected by the first detection element and the second detection element with two threshold values stored in the anti-pollution paper detection equipment respectively, and controlling the indicator light not to be on if the current values detected by the first detection element and the second detection element are smaller than the two threshold values respectively; and if any one of the current values detected by the first detection element and the second detection element is larger than the corresponding threshold value, controlling the indicator lamp to be on.
The processing box also comprises a waste powder bin and a powder bin; the photosensitive drum is provided with a photosensitive drum steel shaft, the developing roller is provided with a developing roller steel shaft, and the charging roller is provided with a charging roller steel shaft.
The antifouling paper detection equipment further comprises a second motor and a developing roller driving shaft, and the second motor is connected with the developing roller driving shaft and the connecting rod respectively.
The first supporting plate and the second supporting plate are used for supporting two ends of the processing box; the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact are respectively and electrically connected with the charging roller, the photosensitive drum and the developing roller on the processing box.
When the anti-pollution paper detection equipment works, corresponding voltages are respectively provided for the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact, the charging roller conductive contact provides 800-plus-1000 v voltage for the charging roller steel shaft, the photosensitive drum conductive contact enables the photosensitive drum steel shaft on the processing box to be grounded, and the developing roller conductive contact provides 400-plus-500 v voltage for the developing roller steel shaft.
The photosensitive drum driving shaft is connected with a first motor, and the first motor drives the photosensitive drum driving shaft to rotate; the photosensitive drum driving shaft is meshed with the photosensitive drum and drives the photosensitive drum to rotate when in work; the developing roller driving shaft is connected with a second motor, and the second motor drives the developing roller driving shaft to rotate; the developing roller driving shaft is meshed with the developing roller and drives the developing roller to rotate when in work; the charging roller on the processing box is contacted with the photosensitive drum, and the photosensitive drum drives the charging roller to rotate.
The first motor and the second motor are respectively connected with a connecting rod, and the connecting rod is connected with the piston; the reciprocating motion of the piston drives the connecting rod to reciprocate, and finally drives the first motor, the photosensitive drum driving shaft, the second motor and the developing roller driving shaft to reciprocate, so that the photosensitive drum driving shaft and the developing roller driving shaft are meshed with or separated from the photosensitive drum and the developing roller on the processing box.
The first detection element is respectively connected with the charging roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the charging roller conductive contact and the photosensitive drum conductive contact; and the second detection element is respectively connected with the developing roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the developing roller conductive contact and the photosensitive drum conductive contact.
Has the advantages that:
1. after the device is adopted, the detection of the anti-pollution paper is more convenient and quicker, and the processing box cannot be damaged.
Drawings
FIG. 1 is a schematic sectional view of a process cartridge;
FIG. 2 is a schematic view showing the structure of the inspection apparatus for anti-soiling paper according to the present invention;
fig. 3 and 4 are current value graphs before and after the anti-pollution paper is installed in place.
Detailed Description
The embodiments are explained below with reference to the drawings.
As shown in fig. 1, the processing box 1 includes a waste powder bin 2 and a powder bin 3; the waste powder bin 2 is provided with a photosensitive drum 7, a charging roller 11 and a cleaning scraper 15; the powder bin 3 is provided with a developing roller 9 and a powder outlet knife 13; a laser port 16 is formed between the waste powder bin 2 and the powder bin 3. The photosensitive drum 7 is provided with a photosensitive drum steel shaft 7a, the developing roller 9 is provided with a developing roller steel shaft 9a, and the charging roller 11 is provided with a charging roller steel shaft 11 a.
In the operation of the electrophotographic image forming apparatus, the process cartridge is mounted to the electrophotographic image forming apparatus, and the photosensitive drum steel shaft 7a is connected to an electrode on the electrophotographic image forming apparatus and is finally grounded. The developing roller steel shaft 9a and the charging roller steel shaft 11a are respectively connected to electrodes on the electrophotographic image forming apparatus and receive a voltage from the electrophotographic image forming apparatus. When the processing box works, the developing roller and the charging roller are respectively contacted with the photosensitive drum, and when the developing roller and the charging roller are contacted with the photosensitive drum, the charges are transferred to the photosensitive drum, and finally, the current is formed.
As shown in fig. 1, the anti-contamination paper 14 can be placed between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller by a tool, which can prevent the charging roller or the developing roller from contaminating the photosensitive drum.
As shown in fig. 2, the contamination-preventive paper detection apparatus 20 includes a switch 21, an indicator lamp 22, a first support plate 23, a second support plate 24, and a charging roller conductive contact 25, a photosensitive drum conductive contact 26, a developing roller conductive contact 27 provided on the first support plate 23; the second support plate 24 is provided on the detection apparatus 20 on a side corresponding to the first support plate 23. The detection device 20 is further provided with a first motor 29, a photosensitive drum drive shaft 28, a second motor 31, a developing roller drive shaft 30, and a connecting rod 35 connected to the first motor 29 and the second motor 31, and the other end of the connecting rod 35 is connected to a piston 34. The antifouling paper detection equipment 20 is also provided with a first detection element 32 and a second detection element 33; the first detection element 32 is connected with the charging roller conductive contact 25 and the photosensitive drum conductive contact 26; the second detection element 33 is connected to the developing roller conductive contact 27 and the photosensitive drum conductive contact 26.
The first support plate 23 and the second support plate 24 support both ends of the process cartridge. The charging roller conductive contact 25, the photosensitive drum conductive contact 26, and the developing roller conductive contact 27 are electrically connected to the charging roller 11, the photosensitive drum 7, and the developing roller 9 on the process cartridge, respectively, and supply corresponding voltages to them, respectively, when the contamination-preventive paper detection apparatus 20 is in operation. In the invention, the charging roller conductive contact 25 provides 800-.
The photosensitive drum driving shaft 28 is connected with a first motor 29, and the first motor 29 drives the photosensitive drum driving shaft 28 to rotate; the photosensitive drum drive shaft 28 engages with the photosensitive drum 7 and drives the photosensitive drum 7 to rotate in operation. The second motor 31 is connected with the second developing roller driving shaft 30, and the second motor 31 drives the second developing roller driving shaft 30 to rotate; the developing roller driving shaft 30 engages with the developing roller 9 and drives the developing roller 9 to rotate during operation. The charging roller 11 on the process cartridge is in contact with the photosensitive drum 7, so that the photosensitive drum 7 drives the charging roller 11 to rotate, and therefore, a driving shaft and a motor do not need to be separately provided for the charging roller 11.
The first motor 29 and the second motor 31 are respectively connected with a connecting rod 35, and the connecting rod 35 is connected with a piston 34; the reciprocating movement of the piston 34 drives the connecting rod 35 to reciprocate, and finally drives the first motor 29, the photosensitive drum driving shaft 28, the second motor 31 and the developing roller driving shaft 30 to reciprocate, so that the photosensitive drum driving shaft 28 and the developing roller driving shaft 30 are engaged with or disengaged from the photosensitive drum 7 and the developing roller 9 on the processing box.
The first detection element 32 is connected with the charging roller conductive contact 25 and the photosensitive drum conductive contact 26 respectively, and detects the current change between the charging roller conductive contact 25 and the photosensitive drum conductive contact 26. The second detection element 33 is connected with the developing roller conductive contact 27 and the photosensitive drum conductive contact 26 respectively, and detects the current change between the developing roller conductive contact 27 and the photosensitive drum conductive contact 26.
When the anti-pollution paper detection device works, the processing box is arranged between the first supporting plate 23 and the second supporting plate 24, the switch 21 is started, and the anti-pollution paper detection device 20 provides voltage for the charging roller conductive contact 25 and the developing roller conductive contact 27 respectively; the piston 34 is started and pushes the connecting rod 35 to move towards the direction close to the processing box, the connecting rod 35 drives the first motor 29, the photosensitive drum driving shaft 28, the second motor 31 and the developing roller driving shaft 30 to move towards the direction close to the processing box, and finally the photosensitive drum driving shaft 28 and the developing roller driving shaft 30 are respectively meshed with the photosensitive drum 7 and the developing roller 9, so that the photosensitive drum 7 and the developing roller 9 rotate.
When the anti-contamination paper on the processing box is installed between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller, the current conditions detected by the first detection element 32 and the second detection element 33 are as shown in fig. 4, and the current value is very weak. At this time, the indicator lamp 22 is not lit, and the operator of the contamination-preventive paper inspection apparatus can know that the contamination-preventive paper on the process cartridge is mounted in place.
When the anti-contamination paper on the process cartridge is not mounted between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller, the current detected by either one or both of the first detecting element 32 or the second detecting element 33 is as shown in fig. 3, and the current value is high. At this time, the indicator lamp 22 is on, and the operator of the contamination-preventive paper inspection apparatus can know that the contamination-preventive paper on the process cartridge is not mounted in place and needs to be remounted.
When the processing box needs to be taken out of the anti-pollution paper detection device, the switch 21 is turned off, the anti-pollution paper detection device does not provide voltage for the charging roller conductive contact 25 and the developing roller conductive contact 27 any more at the moment, the piston 34 is turned off, the connecting rod 35 moves towards the direction far away from the processing box and drives the photosensitive drum driving shaft 28 and the developing roller driving shaft 30 to move towards the direction far away from the processing box, and the photosensitive drum driving shaft 28 and the developing roller driving shaft 30 are respectively disengaged from the photosensitive drum 7 and the developing roller 9. The processing box can be taken out from the anti-pollution paper detection equipment.
In the invention, the anti-pollution paper 14 is made of an insulating and antistatic material, so that the current on the charging roller 11 and the developing roller 9 can be prevented from flowing onto the photosensitive drum 7 through the anti-pollution paper 14 to influence the normal operation of the anti-pollution paper detection equipment.
In the invention, the detection method of the anti-pollution paper detection equipment comprises the following steps:
firstly, placing a processing box between a first supporting plate and a second supporting plate, and starting a switch;
secondly, the anti-pollution paper detection equipment provides voltage for the charging roller conductive contact and the developing roller conductive contact;
thirdly, the piston is started and pushes the connecting rod to move towards the direction close to the processing box, and the connecting rod drives the first motor, the photosensitive drum driving shaft, the second motor and the developing roller to axially move towards the direction close to the processing box;
fourthly, detecting current values between the photosensitive drum and the charging roller or between the photosensitive drum and the developing roller by the first detecting element and the second detecting element respectively;
comparing the current values detected by the first detection element and the second detection element with two threshold values stored in the anti-pollution paper detection equipment respectively, and controlling the indicator light not to be on if the current values detected by the first detection element and the second detection element are smaller than the two threshold values respectively; and if any one of the current values detected by the first detection element and the second detection element is larger than the corresponding threshold value, controlling the indicator lamp to be on.
The above-mentioned embodiments are only used for illustrating the application of the present invention, and are not meant to be limiting, and those skilled in the art should make various changes or substitutions within the spirit of the present invention, and shall fall within the protection scope of the present invention.
Claims (6)
1. A detection method of an anti-contamination paper detection apparatus of a process cartridge, the process cartridge including a photosensitive drum, a charging roller, a developing roller; the method is characterized in that: the antifouling paper detection equipment comprises a switch, an indicator light, a first supporting plate, a second supporting plate, a charging roller conductive contact, a photosensitive drum conductive contact and a developing roller conductive contact, wherein the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact are arranged on the first supporting plate; the first supporting plate and the second supporting plate are used for supporting two ends of the processing box; the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact are respectively and electrically connected with the charging roller, the photosensitive drum and the developing roller on the processing box; when the anti-pollution paper detection equipment works, corresponding voltages are respectively provided for the charging roller conductive contact, the photosensitive drum conductive contact and the developing roller conductive contact, the charging roller conductive contact provides 800-plus-one 1000v voltage for the charging roller steel shaft, the photosensitive drum conductive contact enables the photosensitive drum steel shaft on the processing box to be grounded, and the developing roller conductive contact provides 400-plus-one 500v voltage for the developing roller steel shaft; the photosensitive drum is provided with a photosensitive drum steel shaft, the developing roller is provided with a developing roller steel shaft, and the charging roller is provided with a charging roller steel shaft; the second supporting plate is arranged on one side of the detection equipment corresponding to the first supporting plate; the detection equipment is also provided with a first motor, a photosensitive drum driving shaft and a connecting rod connected with the first motor, and the other end of the connecting rod is connected with the piston; the antifouling paper detection equipment is also provided with a first detection element and a second detection element; the first detection element is respectively connected with the charging roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the charging roller conductive contact and the photosensitive drum conductive contact; the second detection element is respectively connected with the developing roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the developing roller conductive contact and the photosensitive drum conductive contact;
the detection method comprises the following steps:
firstly, placing a processing box between a first supporting plate and a second supporting plate, and starting a switch;
secondly, the anti-pollution paper detection equipment provides voltage for the charging roller conductive contact and the developing roller conductive contact;
thirdly, the piston is started and pushes the connecting rod to move towards the direction close to the processing box, and the connecting rod drives the first motor, the photosensitive drum driving shaft, the second motor and the developing roller to axially move towards the direction close to the processing box;
the first detection element is respectively connected with the charging roller conductive contact and the photosensitive drum conductive contact and detects the current change between the charging roller conductive contact and the photosensitive drum conductive contact; the second detection element is respectively connected with the developing roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the developing roller conductive contact and the photosensitive drum conductive contact;
comparing the current values detected by the first detection element and the second detection element with two threshold values stored in the anti-pollution paper detection equipment respectively, and controlling the indicator light not to be on if the current values detected by the first detection element and the second detection element are smaller than the two threshold values respectively; and if any one of the current values detected by the first detection element and the second detection element is larger than the corresponding threshold value, controlling the indicator lamp to be on.
2. The detection method of the contamination-preventive paper detection apparatus for process cartridges as claimed in claim 1, wherein: the processing box also comprises a waste powder bin and a powder bin; the photosensitive drum is provided with a photosensitive drum steel shaft, the developing roller is provided with a developing roller steel shaft, and the charging roller is provided with a charging roller steel shaft.
3. The detection method of the contamination-preventive paper detection apparatus for process cartridges as claimed in claim 1, wherein: the antifouling paper detection equipment further comprises a second motor and a developing roller driving shaft, and the second motor is connected with the developing roller driving shaft and the connecting rod respectively.
4. The detection method of the contamination-preventive paper detection apparatus for process cartridges as claimed in claim 1, wherein: the photosensitive drum driving shaft is connected with a first motor, and the first motor drives the photosensitive drum driving shaft to rotate; the photosensitive drum driving shaft is meshed with the photosensitive drum and drives the photosensitive drum to rotate when in work; the developing roller driving shaft is connected with a second motor, and the second motor drives the developing roller driving shaft to rotate; the developing roller driving shaft is meshed with the developing roller and drives the developing roller to rotate when in work; the charging roller on the processing box is contacted with the photosensitive drum, and the photosensitive drum drives the charging roller to rotate.
5. The detection method of the contamination-preventive paper detection apparatus for process cartridges as claimed in claim 1, wherein: the first motor and the second motor are respectively connected with a connecting rod, and the connecting rod is connected with the piston; the reciprocating motion of the piston drives the connecting rod to reciprocate, and finally drives the first motor, the photosensitive drum driving shaft, the second motor and the developing roller driving shaft to reciprocate, so that the photosensitive drum driving shaft and the developing roller driving shaft are meshed with or separated from the photosensitive drum and the developing roller on the processing box.
6. The detection method of the contamination-preventive paper detection apparatus for process cartridges as claimed in claim 1, wherein: the first detection element is respectively connected with the charging roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the charging roller conductive contact and the photosensitive drum conductive contact; and the second detection element is respectively connected with the developing roller conductive contact and the photosensitive drum conductive contact and is used for detecting the current change between the developing roller conductive contact and the photosensitive drum conductive contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006082.9A CN108333902B (en) | 2018-01-03 | 2018-01-03 | Detection method of anti-pollution paper detection equipment of processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006082.9A CN108333902B (en) | 2018-01-03 | 2018-01-03 | Detection method of anti-pollution paper detection equipment of processing box |
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| Publication Number | Publication Date |
|---|---|
| CN108333902A CN108333902A (en) | 2018-07-27 |
| CN108333902B true CN108333902B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810006082.9A Active CN108333902B (en) | 2018-01-03 | 2018-01-03 | Detection method of anti-pollution paper detection equipment of processing box |
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| CN201615999U (en) * | 2009-09-30 | 2010-10-27 | 珠海赛纳科技有限公司 | Processing box |
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| CN104166323A (en) * | 2014-08-22 | 2014-11-26 | 珠海天威飞马打印耗材有限公司 | Processing cartridge and development voltage control circuit and method thereof |
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| CN206594453U (en) * | 2016-03-15 | 2017-10-27 | 兄弟工业株式会社 | Handle box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4986948B2 (en) * | 2008-07-31 | 2012-07-25 | キヤノン株式会社 | Process cartridge and method for removing magnet roller from process cartridge |
| JP6057536B2 (en) * | 2011-08-22 | 2017-01-11 | キヤノン株式会社 | Electrophotographic image forming apparatus and process cartridge |
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2018
- 2018-01-03 CN CN201810006082.9A patent/CN108333902B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09197839A (en) * | 1996-01-23 | 1997-07-31 | Sharp Corp | Transfer device |
| CN1346076A (en) * | 2000-09-05 | 2002-04-24 | 佳能株式会社 | Imaging equipment and process box used in same |
| CN201615999U (en) * | 2009-09-30 | 2010-10-27 | 珠海赛纳科技有限公司 | Processing box |
| CN103383535A (en) * | 2012-05-04 | 2013-11-06 | 珠海赛纳打印科技股份有限公司 | Method for installing anti-pollution member to processing box and obtained processing box |
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