Image forming apparatus

Details Image forming apparatus Image forming apparatus

1989-02-27

1990-11-13

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355316, 355318, G03G 2100

Patent

active

049705555

ABSTRACT:
An image forming apparatus includes an image forming section for forming an image on a sheet, a main convey mechanism for delivering the sheet to outside the image forming apparatus through the image forming section, and a reconvey mechanism for separating the sheet from the main convey mechanism at the downstream side of the image forming section, and merging the separated sheet to the upstream side of the image forming section. The reconvey mechanism has a gate for separating the sheet from the main convey mechanism to the reconvey mechanism, and a detector for detecting the jam of the sheet in the reconvey mechanism. The image forming apparatus also includes a control circuit and the like for preventing the separation of the sheet by the gate, and then delivering the sheet following the jammed sheet to outside the image forming apparatus.

REFERENCES:
patent: 4497569 (1985-02-01), Booth, Sr.
patent: 4693586 (1987-09-01), Sumida et al.
patent: 4835567 (1989-05-01), Ogata

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