Control system for electrophotographic copying machine

Details Control system for electrophotographic copying machine Control system for electrophotographic copying machine

1979-04-25

1981-01-27

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

G03G 1500

Patent

active

042471940

ABSTRACT:
A control system for electrophotographic copying machines which may forcibly return the component parts which are reciprocated and rotated during the copying operations to their home positions after a power switch is turned on, may detect malfunctions after the copying operations are started and may enable the copying machine to repeat the copying sequence without the feed of copying sheets for running tests in inspections and maintenance. One or more one-chip microcomputers are used in order to control the above and other steps so that a number of component parts may be minimized and the copying machines may be made compact in size and be economically fabricated.

REFERENCES:
patent: 4062061 (1977-12-01), Batchelor et al.
patent: 4122996 (1978-10-01), Wilczek
patent: 4156133 (1979-05-01), Legg
patent: 4162396 (1979-07-01), Howard et al.

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