Output check apparatus for electrophotographic copier

Details Output check apparatus for electrophotographic copier Output check apparatus for electrophotographic copier

1982-07-14

1985-02-12

Smith, Jerry

Excavating

324 73R, 371 20, G06F 1100

Patent

active

044995806

ABSTRACT:
A checking apparatus for a copier includes check drive circuits having functions indentical to that of load driving circuits normally operated by a controller. The load driving circuits are bypassed in the check mode so that the loads are selectively operated by the check drive circuits, to test the output of a microprocessor or like device serving as a controller.

REFERENCES:
patent: 3659273 (1972-04-01), Knauft et al.
patent: 4200224 (1980-04-01), Flint
patent: 4334308 (1982-06-01), Thinschmidt et al.

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