Electrophotography – Image formation – Fixing
Patent
1998-03-05
1999-11-23
Brase, Sandra
Electrophotography
Image formation
Fixing
399328, 399333, G03G 1520
Patent
active
059915919
ABSTRACT:
A fuser for fixing particulate imaging material to a receiver sheet, including a fuser roller and a pressure roller in contact with the fuser roller which engage each other at a fixing nip, wherein pressure is used in fixing the particulate imaging material to the receiver sheet; a supply of offset preventing oil with such offset preventing oil being adapted to react with the zirconia ceramic or its composites to prevent offset of the particulate imaging material; a metering roller in contact with the supply of offset preventing oil for wicking such offset preventing oil onto the surface of the metering roller. The method further includes a donor roller in contact with the metering roller and the fuser roller for receiving offset preventing oil from the metering roller and applying it to the surface of the fuser roller; and one of the rollers forming the fixing nip having a surface formed from zirconia ceramic or its composites which has a hardness greater than 12 GPa and toughness greater than 6 MPa.sqroot.mm.
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Chatterjee Dilip K.
Chen Jiann H.
Davis Stephen V.
Brase Sandra
Eastman Kodak Company
Owens Raymond L.
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