Paper feeder driveable independently of an image forming apparat

Details Paper feeder driveable independently of an image forming apparat Paper feeder driveable independently of an image forming apparat

1991-11-15

1994-01-25

Braun, Fred L.

Photocopying

Projection printing and copying cameras

With film severing

83203, 83948, 355310, G03B 2900, G03G 2100, B26D 520

Patent

active

052819914

ABSTRACT:
A paper feeder is removably attachable to an image forming apparatus and has a display unit. The number of copies displayed on the display unit is incremented when copy paper reaches a specified position in the path of transport. The paper feeder includes a paper feed for transporting the copy paper to the apparatus, a reference distance memory for storing therein a reference distance from a predetermined feed position of the paper feed to the specified position in the apparatus, a device for measuring the length of the copy paper transported from the predetermined feed position, a counter for checking whether the length measured by the measuring device has reached the reference distance and for incrementing the number of paper sheets fed to the apparatus upon the length of transported paper reaching the reference distance, and a display for indicating the number of paper sheets counted by the counter.

REFERENCES:
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patent: 3715944 (1973-02-01), Knechtel et al.
patent: 3718394 (1973-02-01), Tysko et al.
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patent: 4706099 (1987-11-01), Suzuki
patent: 4712908 (1987-12-01), Nakayama et al.
patent: 5041864 (1991-08-01), Saito et al.
patent: 5134915 (1992-08-01), Fukano et al.

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