Fixing device having a cleaning element

Details Fixing device having a cleaning element Fixing device having a cleaning element

1991-06-18

1992-12-08

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355284, G03G 1520

Patent

active

051702142

ABSTRACT:
A heat roll fixing device for an electrophotographic image recording apparatus is provided with a cleaning felt extending in the axial direction of the heat roller and arranged to contact the circumferential surface of a heat roller for removing toner thereon with oil being oozed from the cleaning felt and applied to the circumferential surface of the heat roller. In order to evenly spread or absorb the oil, it is particularly applied onto the circumferential surface of the heat roller while it is located at its retracted position when printing operation is started, with the heat roller being controlled to rotate for a predetermined period of time before being shifted to its operable position. Then the rotation is stopped and the heat roller is shifted to the operable position. The rotation of the heat roller is restarted after another predetermined period of time has passed since the required operation of the image recording apparatus.

REFERENCES:
patent: 3998584 (1976-12-01), Wada et al.
patent: 4272666 (1981-06-01), Collin
patent: 4393804 (1983-07-01), Nygard

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