Control system responsive to eraser malfunctions in electrophoto

Details Control system responsive to eraser malfunctions in electrophoto Control system responsive to eraser malfunctions in electrophoto

1979-06-21

1981-06-09

Beha, Jr., William H.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14CH, 355 15, G03G 1522

Patent

active

042721830

ABSTRACT:
A control system for use with an eraser for removing charges from the surface of the photoconductive member of an electrophotographic copying machine before the photoconductive member is uniformly charged by a charger. When the eraser malfunctions, completely or substantially failing to operate properly, the control circuit detects the malfunction and stops the operation of at least the charger to prevent a rise in the surface potential of the photoconductive member.

REFERENCES:
patent: 3851966 (1974-12-01), Reehil et al.
patent: 3999851 (1976-12-01), Sakamaki et al.
patent: 4013358 (1977-03-01), Kawai
patent: 4089602 (1978-05-01), Noguchi et al.
patent: 4095890 (1978-06-01), Van Herten

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