Image forming apparatus

Details Image forming apparatus Image forming apparatus

1984-10-11

1988-08-09

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14SH, G03G 2100

Patent

active

047631643

ABSTRACT:
An image forming apparatus capable of feeding or transporting recording medium of different sizes through the image forming path. A discriminating device determines whether or not a recording medium has reached a predetermined position in the transport path and a detecting member detects the recording medium a predetermined time thereafter to identify the size of the recording medium. If the recording medium is detected within the predetermined time, it is identified as being of a particular size. When the medium is detected during a time period different from the predetermined time period, the medium is identified as being of a size smaller than the particular size. The image formation operation is controlled as a function of the size identification of the recording medium.

REFERENCES:
patent: 3560087 (1971-02-01), Washio et al.
patent: 3734604 (1973-05-01), Szostak et al.
patent: 3851966 (1974-12-01), Reehil et al.
patent: 4008957 (1977-02-01), Summers
patent: 4090787 (1978-05-01), Hubbard et al.
patent: 4107779 (1978-08-01), Fisk et al.
patent: 4305653 (1981-12-01), Evanitsky

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