Copying machine having a control process to reduce copying time

Details Copying machine having a control process to reduce copying time Copying machine having a control process to reduce copying time

1985-09-12

1987-07-21

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3FU, 355 30, 355 14FU, G03G 1512

Patent

active

046814230

ABSTRACT:
In an electrophotographic copying machine in which a warming up operation is performed before a copying operation is initiated. This warming up operation is for preliminarily warming up various devices such as a fixing device and a photoreceptor drum. In this copying machine, a device is provided for performing the warming up operation in accordance with a signal generated by operation of any one of the keys for setting copy nubmer, for setting copy magnification or for selecting size of a copy paper and/or a signal of an original detecting sensor.

REFERENCES:
patent: 3976374 (1976-08-01), Hickman
patent: 4324486 (1982-04-01), Nishikawa
patent: 4367036 (1983-01-01), Sakamaki et al.

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