Image forming apparatus

Details Image forming apparatus Image forming apparatus

1987-12-23

1991-10-01

Grimley, A. T.

Photocopying

Contact printing

Light boxes

271265, 355309, 355311, G03G 2100

Patent

active

050538144

ABSTRACT:
An image forming apparatus includes various image forming units and a detachable paper cassette with data on its outer surface as to thickness, talc content, quality and the type of copy paper; the image forming units being controlled in accordance with the data when the cassette is changed. The apparatus also includes a device for marking a mark corresponding to the number of sheets of the copy paper used so as to detect the number of sheets remaining in the cassette.

REFERENCES:
patent: 3700323 (1972-10-01), Guyette et al.
patent: 4211482 (1980-07-01), Arai et al.
patent: 4248528 (1981-02-01), Sahay
patent: 4252433 (1981-02-01), Sullivan
patent: 4367944 (1983-01-01), Kuru
patent: 4500183 (1985-02-01), Tanikawa
patent: 4719489 (1988-01-01), Ohkubo et al.
patent: 4739370 (1988-04-01), Yoshida et al.
patent: 4757348 (1988-07-01), Rourke et al.
patent: 4782365 (1988-11-01), Takagi

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