Image forming apparatus having a plurality of selectively operab

Details Image forming apparatus having a plurality of selectively operab Image forming apparatus having a plurality of selectively operab

1990-02-21

1991-12-03

Moses, R. L.

Photocopying

Contact printing

Light boxes

355245, 355326, G03G 1506

Patent

active

050703625

ABSTRACT:
A control member of image forming unit controls a driving motor so as to move a unit of combined developing devices in accordance with a developing mode or a specific operational condition which is set when the unit is moved to a toner supply position due to a shortage of toner. The control member functions so as to reserve the power cut off caused by malfunction until the unit is stopped at a predetermined position if it is still in the transit to the predetermined position.

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patent: 4841329 (1989-06-01), Kasamura et al.
patent: 4841336 (1989-06-01), Kusumoto et al.
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patent: 4891672 (1990-01-01), Takagi
patent: 4941018 (1990-07-01), Kasamura et al.
patent: 4954844 (1990-09-01), Morita et al.
patent: 4958191 (1990-09-01), Yamada et al.
patent: 4963927 (1990-10-01), Ishihara

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