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Class Information
Number: 399/34
Name: Electrophotography > Diagnostics > Cleaning
Description: Subject matter wherein a means or method is provided for analyzing the performance of a residual toner removal system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609985 |
Fixing apparatus having determinatiion of cleaning member smearing and image forming apparatus |
Oct. 27, 2009 |
| 7609986 |
Image forming apparatus and control method for the same |
Oct. 27, 2009 |
| 7447449 |
Cleaner subsystem fault detection |
Nov. 4, 2008 |
| 7395009 |
Sheet carrier apparatus, image forming apparatus, image reader, and post-processing apparatus |
Jul. 1, 2008 |
| 7391992 |
Sheet conveying unit, and image reading unit, post-processing unit, and image forming apparatus employing the sheet conveying unit |
Jun. 24, 2008 |
| 7212755 |
Image forming apparatus |
May. 1, 2007 |
| 7184674 |
Detecting device for an image forming apparatus |
Feb. 27, 2007 |
| 6944408 |
Control device and method for monitoring wear parts for printers and copiers |
Sep. 13, 2005 |
| 6885473 |
Image forming apparatus having cleaner devices for performing improved cleaning operations |
Apr. 26, 2005 |
| 6789554 |
Removing toner from printed material |
Sep. 14, 2004 |
| 6788902 |
Service support system and method for image forming apparatus |
Sep. 7, 2004 |
| 6678483 |
Serial drive sensing fault cleaning device detector |
Jan. 13, 2004 |
| 6377761 |
Method to evaluate the cleaning performance of brush cleaners in an electrophotographic printer |
Apr. 23, 2002 |
| 6229968 |
Method and apparatus for detecting image medium surface defects in an imaging system |
May. 8, 2001 |
| 5960228 |
Dirt level early warning system |
Sep. 28, 1999 |
| 5946521 |
Xerographic xerciser including a hierarchy system for determining part replacement and failure |
Aug. 31, 1999 |
| 5937224 |
Cleaner stress indicator |
Aug. 10, 1999 |
| 5903797 |
Monitoring cleaning performance to predict cleaner life |
May. 11, 1999 |
| 5797063 |
Image forming apparatus and cleaning device for transfer material conveyor belt |
Aug. 18, 1998 |
| 5652945 |
Automatic measurement of cleaning brush nip width for process control and/or diagnostics |
Jul. 29, 1997 |
| 5606721 |
Diagnostic procedure to identify cleaner retraction timing faults |
Feb. 25, 1997 |
| 5500723 |
Method and apparatus employing variable pressure to clean a substrate in a printing apparatus |
Mar. 19, 1996 |
| 5434659 |
Cleaning unit |
Jul. 18, 1995 |
| 5239350 |
Cleaning system failure detector |
Aug. 24, 1993 |
| 5237377 |
Cleaning device for dry electrophotographic device |
Aug. 17, 1993 |
| 5229817 |
Apparatus for monitoring wear of a toner removal device |
Jul. 20, 1993 |
| 5227844 |
Cleaning sheet and method for cleaning paper path feed roller surfaces |
Jul. 13, 1993 |
| 4967238 |
Cleaning performance monitor |
Oct. 30, 1990 |
| 4937633 |
Cleaning blade defect sensing arrangement |
Jun. 26, 1990 |
| 4885466 |
Corona wire cleaning device utilizing a position detection system |
Dec. 5, 1989 |
| 4705388 |
Method and apparatus for determining when a layer of tacky material present on a cleaning member needs to be rejuvenated |
Nov. 10, 1987 |
| 4465362 |
Cleaning device |
Aug. 14, 1984 |
| 4099861 |
Contamination sensor |
Jul. 11, 1978 |
| 3989372 |
Photoconductor cleaning stations |
Nov. 2, 1976 |
| 3975096 |
Electrophotographic copying machines |
Aug. 17, 1976 |
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