Electrophotography – Diagnostics – Document handling
Patent
1996-03-21
1997-10-14
Smith, Matthew S.
Electrophotography
Diagnostics
Document handling
27125802, 271250, 399 19, 399 22, 399388, 399397, G03G 1500
Patent
active
056781385
ABSTRACT:
An image forming apparatus including a plural number of paper transporting units including at least first and second paper transporting units, in-unit paper sensing mechanism located in the first paper transporting unit, unit-to-unit paper sensing mechanism located between the first and second paper transporting units, and drive control mechanism for controlling the operations of the plural number of the paper transporting units, wherein the drive control mechanism includes first mechanism operating such that when any of the in-unit paper sensing mechanism located in the first paper transporting unit detects a paper transport trouble, the first mechanism stops the paper transporting operation of the second paper transporting unit in response to a sensing signal indicative of the presence of a paper from the unit-to-unit paper sensing mechanism, and second mechanism stops the paper transporting operation of the first paper transporting unit upon the stop of the paper transporting operation of the second paper transporting unit, and drives the first paper transporting unit to move the paper a predetermined distance in the direction that is reverse to the normal direction.
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Fukada Satoshi
Hayashi Yukio
Hokari Norio
Iseki Shuji
Kobayashi Mikio
Fuji 'Xerox Co., Ltd.
Smith Matthew S.
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