Claims
- 1. An electrophotographic apparatus, comprising:
- an electrophotographic photosensitive member having a conductive surface layer; and
- cleaning means for cleaning said electrophotographic photosensitive member and having a surface portion, with electroconductive particles dispersed therein, that contacts said electrophotographic photosensitive member.
- 2. An electrophotographic apparatus, according to claim 1, wherein said electrophotographic photosensitive member comprises a photosensitive layer provided on a conductive support, and said conductive surface layer.
- 3. An electrophotographic apparatus according to claim 1 or 2, wherein said surface layer comprises a resin in which conductive particles have been dispersed.
- 4. An electrophotographic apparatus according to claim 1 or 2, wherein the conductivity of said surface layer is not higher than 10.sup.15 .OMEGA..cm in volume resistivity.
- 5. An electrophotographic apparatus according to claim 4, wherein said conductivity is from 10.sup.14 .OMEGA..cm to 10.sup.10 .OMEGA..cm in volume resistivity.
- 6. An electrophotographic apparatus according to claim 1 or 2, wherein said cleaning means comprises a cleaning member selected from the group consisting of a cleaning blade, a cleaning brush, and a cleaning roller.
- 7. An electrophotographic apparatus according to claim 6, wherein said cleaning member is a cleaning brush.
- 8. An electrophotographic apparatus according to claim 7, wherein said cleaning brush is a magnetic brush.
- 9. An electrophotographic apparatus according to claim 6, wherein said cleaning member is a cleaning blade.
- 10. An electrophotographic apparatus according to claim 1 or 2, wherein the conductivity of said cleaning means is not higher than 10.sup.13 .OMEGA..cm in volume resistivity.
- 11. An electrophotographic apparatus according to claim 10, wherein said conductivity is not higher than 10.sup.9 .OMEGA..cm in volume resistivity.
- 12. An electrophotographic apparatus according to claim 1, wherein a voltage is externally applied to said cleaning means.
- 13. A process cartridge comprising:
- an electrophotographic photosensitive member having a conductive surface layer; and
- means selected from the group consisting of charging means for charging said electrophotographic photosensitive member, developing means for developing a latent image on said electrophotographic photosensitive member and having a toner feed member, and cleaning means for cleaning said electrophotographic photosensitive member and having a surface portion, with electroconductive particles dispersed therein, that contacts said electrophotographic photosensitive member,
- wherein said electrophotographic photosensitive member and said means selected from the group consisting of said charging means, said developing means, and said cleaning means constitute a unit that is freely mountable on or detachable from a main body of an electrophotographic apparatus.
- 14. A process cartridge according to claim 13, wherein said electrophotographic photosensitive member comprises a photosensitive layer provided on a conductive support, and said conductive surface layer.
- 15. A process cartridge according to claim 13 or 14, wherein said surface layer comprises a resin in which conductive particles have been dispersed.
- 16. A process cartridge according to claim 13 or 14, wherein the conductivity of said surface layer is not higher than 10.sup.15 .OMEGA..cm in volume resistivity.
- 17. A process cartridge according to claim 16, wherein said conductivity is from 10.sup.14 .OMEGA..cm to 10.sup.10 .OMEGA..cm in volume resistivity.
- 18. A process cartridge according to claim 13 or 14, wherein said cleaning means comprises a cleaning member selected from the group consisting of a cleaning blade, a cleaning brush, and a cleaning roller.
- 19. A process cartridge according to claim 18, wherein said cleaning member is a cleaning brush.
- 20. A process cartridge according to claim 19, wherein said cleaning brush is a magnetic brush.
- 21. A process cartridge according to claim 18, wherein said cleaning member is a cleaning blade.
- 22. A process cartridge according to claim 13 or 14, wherein the conductivity said of cleaning means is not higher than 10.sup.13 .OMEGA..cm in volume resistivity.
- 23. A process cartridge according to claim 22, wherein said conductivity is not higher than 10.sup.9 .OMEGA..cm in volume resistivity.
- 24. A process cartridge according to claim 13, wherein a voltage is externally applied to said cleaning means.
- 25. An image forming method, comprising the step of:
- removing developer remaining on an electroconductive surface layer of an electrophotographic photosensitive member using, cleaning means having a surface portion, with electroconductive particles dispersed therein, that contacts the electrophotographic photosensitive member.
- 26. An image forming method according to claim 25, wherein said electrophotographic photosensitive member comprises a photosensitive layer provided on a conductive support, and said electroconductive surface layer.
- 27. An image forming method according to claim 25 or 26, wherein said surface layer comprises a resin in which conductive particles have been dispersed.
- 28. An image forming method according to claim 25 or 26, wherein the conductivity of said surface layer is not higher than 10.sup.15 .OMEGA..cm in volume resistivity.
- 29. An image forming method according to claim 28, wherein said conductivity is from 10.sup.14 .OMEGA..cm to 10.sup.10 .OMEGA..cm in volume resistivity.
- 30. An image forming method according to claim 25 or 26, wherein said cleaning means comprises a cleaning member selected from the group consisting of a cleaning blade, a cleaning brush, and a cleaning roller.
- 31. An image forming method according to claim 30, wherein said cleaning member is a cleaning brush.
- 32. An image forming method according to claim 31, wherein said cleaning brush is a magnetic brush.
- 33. An image forming method according to claim 30, wherein said cleaning member is a cleaning blade.
- 34. An image forming method according to claim 25 or 26, wherein the conductivity of said cleaning means is not higher than 10.sup.13 .OMEGA..cm in volume resistivity.
- 35. An image forming method according to claim 34, wherein said conductivity is not higher than 10.sup.9 .OMEGA..cm in volume resistivity.
- 36. An image forming method according to claim 25, wherein a voltage is externally applied to said cleaning means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-225854 |
Sep 1993 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 08/301,561, filed Sep. 7, 1994, now abandoned.
US Referenced Citations (16)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0448780A1 |
Oct 1991 |
EPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
301561 |
Sep 1994 |
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