Roll fuser apparatus

Details Roll fuser apparatus Roll fuser apparatus

2007-03-06

2007-03-06

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S326000

Reexamination Certificate

active

11065989

ABSTRACT:
An improvement in a Release Agent Management system that alleviates the buildup of dirt, toner and paper debris on a wick in the system includes a metering roll, a supply of release agent material into which the wick is positioned and a pair of metering blades positioned on opposite sides of the metering roll before and after a nip formed between the metering roll and a donor roll. A first metering blade meters release agent material onto the metering roll and a second blade scrapes the surface of the metering roll to remove contaminants before the surface of the metering roll reaches the supply of release agent material in order to prevent contaminants from plugging the wick and thereby reduce the effectiveness of the wick.

REFERENCES:
patent: 5504566 (1996-04-01), Chow et al.
patent: 5839015 (1998-11-01), Faguy et al.
patent: 5839041 (1998-11-01), Condello et al.
patent: 5937257 (1999-08-01), Condello et al.

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