Electrophotography – Image formation – Fixing
Reexamination Certificate
2011-04-26
2011-04-26
Gray, David M (Department: 2852)
Electrophotography
Image formation
Fixing
Reexamination Certificate
active
07933542
ABSTRACT:
A fuser roller surface is cleaned immediately before and or after the fusing operation. The separate cleaning sequence assures that the fuser roller surface is substantially free from residual toner that has accumulated from previous fusing operation. A number of image-transfer sheets is counted, and the cleaning sequence is also optionally activated after a number of detected image-transfer sheets has reached a predetermined number.
REFERENCES:
patent: 4449241 (1984-05-01), Nakayama
patent: 5761600 (1998-06-01), Murata
patent: 6181890 (2001-01-01), Kataoka et al.
patent: 2000112279 (2000-04-01), None
patent: 2001-092292 (2001-04-01), None
patent: 2002040869 (2002-02-01), None
Machine English Translation of JP2000-112279.
JP Office Action with English Summary for JP Application No. 2004-257381 mailed on Sep. 7, 2010 (2 pages).
Gray David M
Knoble & Yoshida & Dunleavy LLC
Lactaoen Billy J
Ricoh & Company, Ltd.
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