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Browse by Category: Main > Electrical & Energy
Class Information
Number: 399/26
Name: Electrophotography > Diagnostics > Consumable > Photoconductive member
Description: Subject matter wherein a means or method is provided that determines whether or not a light-responsive member or a portion thereof is defective or needs replacement.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7620333 System and method for providing messages on a printing component Nov. 17, 2009
7567763 Image forming apparatus and image forming method capable of detecting a resistance value of an intermediate transferring member Jul. 28, 2009
7551861 Method for performing quality checks on a print engine film loop Jun. 23, 2009
7532832 Image forming apparatus and charge control method May. 12, 2009
7516318 Method of controlling an image forming apparatus Apr. 7, 2009
7509062 Method and apparatus for image forming capable of effectively recycling image forming unit Mar. 24, 2009
7471906 Image forming apparatus and image forming method Dec. 30, 2008
7433611 Image forming apparatus that judges lifetime of photosensitive unit Oct. 7, 2008
7430378 Image forming apparatus setting an image forming condition based on characteristics of a cartridge, cartridge used in the image forming apparatus, and storage medium mounted on the cartridge Sep. 30, 2008
7426351 Image forming apparatus and layer thickness calculating method Sep. 16, 2008
7403727 Image forming apparatus and density adjusting method thereof Jul. 22, 2008
7403723 Image forming apparatus with measuring technique Jul. 22, 2008
7359650 Image forming apparatus and method for judging the lifetime of a photosensitive unit Apr. 15, 2008
7319829 Transfer bias adjustment based on component life Jan. 15, 2008
7292794 System, apparatus, and method for preventing access to information stored in a consumable item of an image forming apparatus Nov. 6, 2007
7274884 Image forming apparatus to which a cartridge having a memory medium configured to store information-forming-condition information is attachable, such a cartridge, such a memory medium, and an Sep. 25, 2007
7274885 Image forming device having replaceable drum unit and developing unit Sep. 25, 2007
7272330 System for analyzing an organic photoconducting drum and a method thereof Sep. 18, 2007
7263299 Image forming apparatus that judges lifetime of photosensitive unit Aug. 28, 2007
7251419 Effective surface resistivity through image analysis Jul. 31, 2007
7239413 Printer replaceable component Jul. 3, 2007
7228078 Printing control device and method and program for efficient utilization of consumable products mounted thereon Jun. 5, 2007
7177551 Apparatus for managing consumables of image forming apparatus Feb. 13, 2007
7164491 Identifying apparatus, apparatus to be identified, identifying method, and printing apparatus Jan. 16, 2007
7164868 Image forming apparatus with changeable image forming conditions due to changes in a surface layer thickness of an image bearing member Jan. 16, 2007
7062181 Systems and methods for single wire communication and interaction with a customer replaceable unit monitor Jun. 13, 2006
7054565 Electrophotographic image forming apparatus and method of controlling development using information concerning replacement of consumables May. 30, 2006
7050182 Device having embedded supply consumption rate test capability May. 23, 2006
7013095 Image forming apparatus with adjustable toner content in a developing device based on surface layer thickness of an image bearing member Mar. 14, 2006
7009719 Systems and methods for controlling an image forming system based on customer replaceable unit status Mar. 7, 2006
6980322 Image forming apparatus in which light emitted by an exposing light source is conducted by an optical waveguide Dec. 27, 2005
6967733 Printer and a control method and recording medium for the same Nov. 22, 2005
6961527 Method of detecting life of image bearing member, image forming apparatus and cartridge Nov. 1, 2005
6944408 Control device and method for monitoring wear parts for printers and copiers Sep. 13, 2005
6909600 Mechanism for quickly removing an electronic device from PC having a smaller case Jun. 21, 2005
6904243 Image forming system and method and photoconductor having wear indicator Jun. 7, 2005
6807382 Image forming apparatus and cartridge detachably mountable thereto Oct. 19, 2004
6763208 Photoreceptor regenerating apparatus and image forming apparatus using regenerated photoreceptor and method of regenerating photoreceptor Jul. 13, 2004
6738585 Image forming apparatus for and method of compensating for variation in thickness of photosensitive body and development mass per area May. 18, 2004
6738586 Print control method of electrophotograph and image formation apparatus with potential sensor using the method May. 18, 2004
6718144 Image forming apparatus and process unit mountable to image forming apparatus Apr. 6, 2004
6704524 Method of detecting life of image bearing member, image forming apparatus and cartridge Mar. 9, 2004
6690895 Image carrier and image forming apparatus Feb. 10, 2004
6654568 Image forming apparatus, image bearing member life detecting method, and process cartridge detachably attachable to image forming apparatus Nov. 25, 2003
6615722 Replaceable cylinder element including cylindrical sleeve and end members having complementary centering faces Sep. 9, 2003
6594451 Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus Jul. 15, 2003
6577823 Method of detecting life of image bearing member, image forming apparatus and cartridge Jun. 10, 2003
6560414 Reusable photoreceptor and image forming apparatus using the reusable photoreceptor and method of reusing photoreceptor May. 6, 2003
6549733 Image forming apparatus, image bearing member life detecting method, and process cartridge detachably attachable to image forming apparatus Apr. 15, 2003
6512896 Image forming apparatus with detachable mounting process cartridge Jan. 28, 2003

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