Photocopying – Contact printing – Light boxes
Patent
1988-02-26
1989-08-22
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355210, 355211, G03G 1500
Patent
active
048600547
ABSTRACT:
A control system for an electrophotographic copier of the type using a photoconductive element having a seam varies the position for starting counting timing pulses, which are adapted to control the operations of various units or electrical loads of the copier, in dependence upon the copy mode. The control system reduces the period of time necessary for the first copy to be produced by the copier.
REFERENCES:
patent: 4475805 (1984-10-01), Omi
patent: 4556311 (1985-12-01), Tagoku
patent: 4588284 (1986-05-01), Federico et al.
patent: 4589763 (1986-05-01), Fujiwara
patent: 4589765 (1986-05-01), Perun et al.
patent: 4707748 (1987-11-01), Ohtsuka et al.
patent: 4731638 (1988-03-01), Cherian
Prescott A. C.
Ricoh & Company, Ltd.
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