Electrophotography – Control of electrophotography process – Control of fixing
Patent
1998-08-20
2000-12-12
Pendegrass, Joan
Electrophotography
Control of electrophotography process
Control of fixing
399 45, G03G 1500, G03G 1520
Patent
active
061609749
ABSTRACT:
An image forming apparatus including a fixing unit made up of a heat roller and a press roller and a plurality of sheet feeding devices is disclosed. The apparatus selects an interval between consecutive sheets matching with a sheet transport environment and the kind of sheets without waiting for the end of a sequence of image forming cycles. This allows toner images to be adequately fixed on sheets without regard to the kind of sheets, e.g., ordinary sheets or thick sheets.
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patent: 4634262 (1987-01-01), Imaizumi et al.
patent: 5282001 (1994-01-01), Watson
patent: 5402211 (1995-03-01), Yoshikawa
patent: 5521676 (1996-05-01), Furushima
patent: 5621511 (1997-04-01), Nakayama
patent: 5708927 (1998-01-01), Etoh
Etoh Shinji
Yoshikawa Takahiro
Pendegrass Joan
Ricoh & Company, Ltd.
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