Image-forming apparatus

Details Image-forming apparatus Image-forming apparatus

1985-03-14

1986-04-01

Prescott, A. C.

Photocopying

Including fiber optics

355 14R, 355 14C, G03G 1500, G03G 1501

Patent

active

045794430

ABSTRACT:
A copying or printing machine comprises a microcomputer including a random access memory in which a set of coded signals may be written in and read out, a read-only memory having a sequence control for accomplishing printing or copying operation, and a processing unit operative to reproduce a copy of an original. The machine is provided with a first developing device devoted to colored development and an alternately-used second developing device devoted to black development. If the interrupt copying mode is set up during a copying run, copying conditions for the copying run are stored in the RAM, and the interrupt copying run is allowed. In that case, irrespective of copying conditions of the previous copying run, the interrupt copying mode permits the second developing device to be automatically selected. Upon the termination of the interrupt copying run, copying conditions for the previous copying run are read from the RAM, to permit the run to be completed. The above-mentioned control is effected by a sequence control program stored in the ROM.

REFERENCES:
patent: 4099860 (1978-07-01), Connin
patent: 4165165 (1979-08-01), Iwami et al.
patent: 4189224 (1980-02-01), Sakai
patent: 4204728 (1980-05-01), Goshima et al.

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