Off-line image fixing apparatus

Details Off-line image fixing apparatus Off-line image fixing apparatus

1987-10-14

1988-12-20

Rolla, Joseph J.

Sheet feeding or delivering

Feeding and delivering

Continuous endless conveyors

271265, 271902, 400708, B65H 708

Patent

active

047921315

ABSTRACT:
An off-line image fixing apparatus includes a feed sensor disposed at the center of a paper inlet for sensing the presence of a sheet of copying paper, and a controller for forwardly driving a paper conveyor, which is in a normal state continuously driven backwardly in accordance with a paper sensing signal from the feed sensor. Thus a sheet of copying paper can be inserted from only the central portion of the paper inlet, so that a sheet of copying paper inserted from the paper inlet and conveyed to the heating unit passes necessarily over a paper jam sensor disposed in the center of the conveyance passageway.

REFERENCES:
patent: 4243869 (1981-01-01), Scribner
patent: 4391509 (1983-07-01), Caragnaro
patent: 4548401 (1985-10-01), Nishikawa
Lawrence P. Lavery; Document Handler Jam Detection, Xerox Disclosure Journal, vol. 6, No. 5, 9-10/1981, p. 263.

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