Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1983-05-18
1986-10-07
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3R, G03G 2100
Patent
active
046156097
ABSTRACT:
An image forming apparatus comprises an image forming unit, a setting key for setting a turn-on or turn-off time of a power supply of the image forming unit and a control unit for controlling turn-on or turn-off of the power supply in accordance with the time preset by the setting key. The control unit inhibits the setting by the setting key if the turn-on or turn-off period of the power supply is shorter than a predetermined time period. The control unit further inhibits the turn-on or turn-off of the power supply during the operation of the image forming apparatus and within a predetermined time period after the completion of the image forming operation.
REFERENCES:
patent: 4344000 (1982-08-01), Schornack et al.
patent: 4412735 (1983-11-01), Tsukata et al.
Canon Kabushiki Kaisha
Moses R. L.
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