RAM system including a bidirectional metering member and a dual

Details RAM system including a bidirectional metering member and a dual RAM system including a bidirectional metering member and a dual

1997-09-29

1998-11-17

Royer, William

Electrophotography

Image formation

Fixing

118 60, G03G 1520

Patent

active

058390413

ABSTRACT:
A RAM system including a metering roll and a pair of metering blades, is positioned in contact with a metering roll at a location intermediate, a nip formed through pressure contact of the metering roll with a donor roll, and a supply of release agent material such that as the metering roll is rotated in the imaging process direction release agent material is metered onto the metering roll and contaminants are prevented from getting deposited on the fuser roll. A second metering blade contacts the metering roll at a location that is intermediate the aforementioned nip and the supply of release agent such that when the metering roll is rotated in the direction opposite to the process direction excess release agent material and/or contaminants are prevented from being deposited on the fuser roll.

REFERENCES:
patent: 5212527 (1993-05-01), Fromm et al.
patent: 5356473 (1994-10-01), Fromm
patent: 5504566 (1996-04-01), Chow et al.
patent: 5634184 (1997-05-01), Dalal et al.

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