Image forming apparatus

Details Image forming apparatus Image forming apparatus

1979-12-04

1984-10-16

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14C, 371 15, G03G 2100

Patent

active

044771789

ABSTRACT:
An image forming apparatus includes a process input device for setting various data for image formation, process unit for making images on a recording medium repeatedly in accordance with the data set by the input device, detection devices for detecting a trouble of the process unit, a control unit for selectively controlling the detecting operations of the detection devices, and circuitry for preventing the image forming operation in response to the detection of a trouble by the detection devices. In the apparatus, diagnosis is executed for objects to which it is necessary and the image forming process is controlled by the outcome of the diagnosis.

REFERENCES:
patent: 4054380 (1977-10-01), Donohue et al.
patent: 4133477 (1979-01-01), Marino et al.
patent: 4186299 (1980-01-01), Batchelor
patent: 4196476 (1980-04-01), Steiner

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