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Class Information
Number: 399/13
Name: Electrophotography > Diagnostics > Component present or mounted
Description: Subject matter wherein a means or method is provided for distinguishing whether or not a component is either present or properly attached in an operative manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603048 |
Image forming apparatus and control method thereof |
Oct. 13, 2009 |
| 7596327 |
Developing cartridge and image forming apparatus |
Sep. 29, 2009 |
| 7590361 |
Image forming apparatus and control method therefor |
Sep. 15, 2009 |
| 7580645 |
Detecting the presence of a photoconductor drum |
Aug. 25, 2009 |
| 7574150 |
Power control apparatus and method of using a power control apparatus in an image forming device |
Aug. 11, 2009 |
| 7570892 |
Image forming apparatus and control method of that apparatus |
Aug. 4, 2009 |
| 7570891 |
Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus |
Aug. 4, 2009 |
| 7561814 |
Image forming apparatus |
Jul. 14, 2009 |
| 7555229 |
Marking device and methods |
Jun. 30, 2009 |
| 7555237 |
Positioning mechanism for positioning a developing apparatus and related developing apparatus |
Jun. 30, 2009 |
| 7536115 |
Securely adjusting setting of an image forming device |
May. 19, 2009 |
| 7536117 |
Image-forming device and developing cartridge with information member for use therein |
May. 19, 2009 |
| 7536116 |
Image forming apparatus with a plurality of development devices |
May. 19, 2009 |
| 7528785 |
Multiple feed point slot antenna |
May. 5, 2009 |
| 7515838 |
Developer collecting device and image forming apparatus having the same |
Apr. 7, 2009 |
| 7505697 |
Method and apparatus for image forming capable of effectively performing color image position adjustment |
Mar. 17, 2009 |
| 7505698 |
Image formation device and cartridge which uses verification data stored in a memory of the cartridge |
Mar. 17, 2009 |
| 7496299 |
Image forming apparatus |
Feb. 24, 2009 |
| 7463835 |
Image forming apparatus having process cartridges with identified parts |
Dec. 9, 2008 |
| 7460795 |
Image forming apparatus having a detachably mountable image forming unit |
Dec. 2, 2008 |
| 7454147 |
Printed circuit board and an image forming apparatus having the printed circuit board |
Nov. 18, 2008 |
| 7447448 |
Optional apparatuses each displaying unique identifier and image forming apparatus containing same |
Nov. 4, 2008 |
| 7447464 |
Toner cartridge having a collapsible actuating structure |
Nov. 4, 2008 |
| 7444086 |
Image forming apparatus including a print-request information inputting unit and image reading unit, and image forming method |
Oct. 28, 2008 |
| 7433608 |
Image forming device with automatic power cutoff |
Oct. 7, 2008 |
| 7433609 |
Image forming apparatus with a plurality of image forming units |
Oct. 7, 2008 |
| 7418214 |
State detection mechanism |
Aug. 26, 2008 |
| 7412184 |
User interface for image forming apparatus |
Aug. 12, 2008 |
| 7406273 |
Image forming apparatus into which replaceable units are detachably attached |
Jul. 29, 2008 |
| 7394998 |
Image forming apparatus and developer cartridge |
Jul. 1, 2008 |
| 7376363 |
Method and apparatus for image forming capable of effectively performing color image position adjustment |
May. 20, 2008 |
| 7375834 |
Method of configuring a printer and ink cartridge |
May. 20, 2008 |
| 7376362 |
Image forming apparatus to detect a new process cartridge |
May. 20, 2008 |
| 7372479 |
Apparatus and method for optical image formation control |
May. 13, 2008 |
| 7369783 |
Image forming apparatus, process cartridge, and development unit |
May. 6, 2008 |
| 7356266 |
Laser printer apparatus with cartridge detector |
Apr. 8, 2008 |
| 7343107 |
Image forming device |
Mar. 11, 2008 |
| 7313334 |
Image formation device enabling switching between color printing mode and monochrome printing mode |
Dec. 25, 2007 |
| 7305199 |
Display control apparatus for image forming apparatus |
Dec. 4, 2007 |
| 7289742 |
Printing apparatus with removable image forming section and position error processing of image forming section installation position |
Oct. 30, 2007 |
| 7286775 |
Image formation device enabling switching display of remaining developing agent in monochrome printing mode |
Oct. 23, 2007 |
| 7286773 |
Device identification method and system |
Oct. 23, 2007 |
| 7272329 |
Image forming apparatus with developing units detachable from a mounting portion |
Sep. 18, 2007 |
| 7272328 |
Development component detection in an electrophotographic device |
Sep. 18, 2007 |
| 7255501 |
Printing device |
Aug. 14, 2007 |
| 7254347 |
Electrophotographic image forming apparatus and unit |
Aug. 7, 2007 |
| 7242874 |
Image forming apparatus and cartridge with a recording medium and cartridge detecting device |
Jul. 10, 2007 |
| 7242873 |
Image forming apparatus mounted with replaceable unit, image forming system, and method of controlling image forming apparatus |
Jul. 10, 2007 |
| 7242872 |
Image forming apparatus with changeover control for development cartridges |
Jul. 10, 2007 |
| 7236710 |
Arrangement and method for determining the position of a unit in an electrophotographic printer or copier |
Jun. 26, 2007 |
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