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Class Information
Number: 399/31
Name: Electrophotography > Diagnostics > Image forming component
Description: Subject matter wherein a means or method is provided that analyzes an abnormal condition for forming a latent or toner image.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620335 |
Image forming apparatus |
Nov. 17, 2009 |
| 7450869 |
Transfer component monitoring methods, image forming devices, data signals, and articles of manufacture |
Nov. 11, 2008 |
| 7440808 |
Electronic apparatus, replacement unit, and electronic apparatus control method |
Oct. 21, 2008 |
| 7400759 |
Method for testing a plastic sleeve for an image cylinder or a blanket cylinder |
Jul. 15, 2008 |
| 7305193 |
Image forming apparatus with operation modes |
Dec. 4, 2007 |
| 7227675 |
Hologram recording medium, recording/reproducing apparatus and method therefor |
Jun. 5, 2007 |
| 7177551 |
Apparatus for managing consumables of image forming apparatus |
Feb. 13, 2007 |
| 7110148 |
Duplex image reading apparatus |
Sep. 19, 2006 |
| 6944408 |
Control device and method for monitoring wear parts for printers and copiers |
Sep. 13, 2005 |
| 6904242 |
Method, device, system and recording medium for detecting improper cartridge, and cartridge |
Jun. 7, 2005 |
| 6895194 |
Xerographic development system where a gap between a donor member and a photoreceptor is estimated |
May. 17, 2005 |
| 6873803 |
Image forming apparatus and method of displaying information about image forming apparatus |
Mar. 29, 2005 |
| 6873802 |
Methods of verifying requirement for replacement of a main unit and of a component of image formation apparatus and judging advisability of recommendation for replacement |
Mar. 29, 2005 |
| 6846599 |
Image structure and image-forming system |
Jan. 25, 2005 |
| 6711363 |
METHOD OF DETERMINING A CHARGING DEVICE PRE-FAULT STATUS, A PRINTING MACHINE ARRANGED WITH THE SAME METHOD, A METHOD OF FORMING A CHARGING DEVICE SERVICE MESSAGE AND A METHOD OF TRIGGERING A C |
Mar. 23, 2004 |
| 6633732 |
Reliability model based copy count correction during system recovery for predictive diagnostics |
Oct. 14, 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 |
| 6580880 |
Electrophotographic process control and diagnostic system |
Jun. 17, 2003 |
| 6444379 |
Method and apparatus for manufacturing printed wiring board |
Sep. 3, 2002 |
| 6420012 |
Toner carrier and image-forming apparatus |
Jul. 16, 2002 |
| 6377758 |
Method and system for analyzing imaging problems |
Apr. 23, 2002 |
| 6370340 |
Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine |
Apr. 9, 2002 |
| 6365307 |
Apparatus and method for assessing a photoreceptor |
Apr. 2, 2002 |
| 6336007 |
Printer that facilitates detection of deteriorated component |
Jan. 1, 2002 |
| 6285837 |
System for determining development gap width in a xerographic development system using an AC field |
Sep. 4, 2001 |
| 6154619 |
Apparatus and method for detecting the state of a consumable product such as a replaceable toner cartridge |
Nov. 28, 2000 |
| 6148157 |
Hybrid scavengeless development using a failure mode detection system |
Nov. 14, 2000 |
| 6122460 |
Method and apparatus for automatically compensating a degradation of the charge roller voltage in a laser printer |
Sep. 19, 2000 |
| 6072970 |
Charge roller |
Jun. 6, 2000 |
| 6061543 |
Image forming apparatus which prevents image quality deterioration due to plastic deformation |
May. 9, 2000 |
| 6023595 |
Image processing apparatus capable of remotely diagnosing failed portion of image processing unit |
Feb. 8, 2000 |
| 5995775 |
ROS pixel size growth detector |
Nov. 30, 1999 |
| 5946521 |
Xerographic xerciser including a hierarchy system for determining part replacement and failure |
Aug. 31, 1999 |
| 5937224 |
Cleaner stress indicator |
Aug. 10, 1999 |
| 5929640 |
Automated stationary/portable test system for photoconductive drums |
Jul. 27, 1999 |
| 5809365 |
Image forming apparatus using intermediate transfer member |
Sep. 15, 1998 |
| 5797060 |
Electrophotographic printing subsystem with self-monitoring and adjustment |
Aug. 18, 1998 |
| 5794097 |
Image forming device with residual charge removal control |
Aug. 11, 1998 |
| 5778277 |
Tilted scan rail |
Jul. 7, 1998 |
| 5659855 |
Electrophotographic image member with magnetic property and image forming apparatus |
Aug. 19, 1997 |
| 5659836 |
Transfer drum having a low-reflectivity area |
Aug. 19, 1997 |
| 5613047 |
Apparatus having self-repairing function and method of self repairing the same |
Mar. 18, 1997 |
| 5610689 |
Image forming apparatus having failure diagnosing function |
Mar. 11, 1997 |
| 5523831 |
Accurate dynamic control of the potential on the photoconductor surface using an updatable look-up table |
Jun. 4, 1996 |
| 5508787 |
Method and apparatus for controlling process condition for image formation |
Apr. 16, 1996 |
| 5500738 |
Electrophotographic digital copier for providing bicolor copies by a single image transfer |
Mar. 19, 1996 |
| 5499078 |
Charge roller and image forming apparatus using the same |
Mar. 12, 1996 |
| 5479245 |
Image forming apparatus |
Dec. 26, 1995 |
| 5471313 |
Method and control system architecture for controlling tone reproduction in a printing device |
Nov. 28, 1995 |
| 5459552 |
Image forming apparatus communicable with a centralized control apparatus |
Oct. 17, 1995 |
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