Image forming apparatus having sheet jam reaction reset means

Details Image forming apparatus having sheet jam reaction reset means Image forming apparatus having sheet jam reaction reset means

1989-12-29

1991-04-23

Moses, R. L.

Photocopying

Contact printing

Light boxes

355207, 355316, G03G 1500

Patent

active

050103636

ABSTRACT:
An image forming apparatus has a sheet handling section for receiving sheets printed at a copying machine, which is operable in a mode of ejecting printed sheets outside and in a mode of collecting printed sheets inside thereof to process the sheets. The apparatus comprises a sheet path located inside the apparatus, which is openable so that a jammed sheet can be removed; an outside cover which is openable so that an operator can gain access to the sheet path; a sensor for detecting whether the outside cover is in an open state or a closed state; a jam detector for detecting the occurrence of a sheet jam at each part in the sheet path; a jam reacting device; a jam reaction resetting device; and a mode selector. The jam reaction resetting device is operable in a first jam reaction react mode wherein the jam reaction resetting operation is executed in response to an outside cover close signal generated from the outside cover sensor, and in a second jam reaction reset mode wherein the jam reaction resetting operation is executed in response to the recovery of the sheet path from the sheet jam. The mode selector selects either the first jam reaction reset mode or the second jam reaction reset mode beforehand.

REFERENCES:
patent: 4090787 (1978-05-01), Hubbard et al.
patent: 4176941 (1979-12-01), Breitenkam et al.
patent: 4247193 (1981-01-01), Kaneko et al.
patent: 4260904 (1981-04-01), Horie et al.
patent: 4449813 (1984-05-01), Kikuchi et al.
patent: 4477178 (1984-10-01), Furuichi et al.
patent: 4497569 (1985-02-01), Booth

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