Photocopying – Contact printing – Light boxes
Patent
1988-11-02
1990-05-01
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
364131, G03G 1500
Patent
active
049222937
ABSTRACT:
A control system for a copier, printer, facsimile apparatus or similar image forming apparatus which uses electrophotography controls, by digital control and by using a single signal line, a respective one of various control units for implementing image forming processes such as a grid power source for a main charger, a bias power source for development, a transfer charger power source, an exposing lamp regulator, and a fixing roller temperature controller.
REFERENCES:
patent: 4166690 (1979-09-01), Bacon et al.
patent: 4556310 (1985-12-01), Masuda
patent: 4755996 (1988-07-01), Masuda
Pendegrass Joan H.
Ricoh & Company, Ltd.
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