Control apparatus for a two-sided/multiple copy conveying unit

Details Control apparatus for a two-sided/multiple copy conveying unit Control apparatus for a two-sided/multiple copy conveying unit

1989-05-18

1990-09-04

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355204, 355316, G03G 2100

Patent

active

049548484

ABSTRACT:
A sheet having an image of a document formed by a copying unit on one side is sequentially stacked in a stacking section of a two-sided/multiple copy unit. Such sheets are picked up by pick-up rollers one by one and conveyed to the copying unit by a plurality of conveying rollers which are arranged along a conveying path. A detection switch is provided on the conveying path to detect abnormality which may occur during conveyance of the sheet. If such abnormality is detected by the switch, then a door is opened by the operator and a caught sheet is removed from the rest of the machine. Upon the closure of the door, the door switch detects that the door is closed. At this time, the sheet is picked up from the stacking section by the pick-up roller prior to a copying operation by the copying unit and conveyed past a conveying path to a location near the copying unit. When a start-to-copy instruction is supplied to an operation panel, the sheet which is stopped near the copying unit is supplied to the copying unit where a document image is copied on the sheet.

REFERENCES:
patent: 4206995 (1980-06-01), Legg
patent: 4515465 (1985-05-01), Miyoshi et al.
patent: 4627711 (1986-12-01), Schron
patent: 4684235 (1987-08-01), Kohmoto et al.
patent: 4843437 (1989-06-01), Hamano
patent: 4849786 (1989-07-01), Murakami

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