Image forming apparatus provided with mold releasing agent coati

Details Image forming apparatus provided with mold releasing agent coati Image forming apparatus provided with mold releasing agent coati

1994-12-27

1998-03-24

Lee, S.

Electrophotography

Image formation

Fixing

399 67, 399325, G03G 1520

Patent

active

057323160

ABSTRACT:
An image forming apparatus includes a first developing device, accommodating a first kind of toner without an offset preventing agent, a second developing device accommodating a second kind of toner containing an offset preventing agent, and a roller fixing device having a supply portion for supplying an offset preventing agent. The image forming apparatus changes the amount of the offset preventing agent to be supplied to the fixing roller between the case of fixing a copy image formed with the first kind of toner and the case of fixing a copy image formed with the second kind of toner.

REFERENCES:
patent: 5099289 (1992-03-01), Kurotori et al.
patent: 5200786 (1993-04-01), Fromm et al.
patent: 5221948 (1993-06-01), Dalal
patent: 5374983 (1994-12-01), Isogai
patent: 5500722 (1996-03-01), Jacobs

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