Multi-gate tandem decurler

Details Multi-gate tandem decurler Multi-gate tandem decurler

1994-10-03

1996-05-07

Beatty, Robert

Photocopying

Contact printing

Light boxes

162271, G03G 2100

Patent

active

055151523

ABSTRACT:
A decurler apparatus in a machine changes sheet bending direction away from image (AI) to toward image (TI) direction by use of tandem gates and bending baffles to direct copy papers to different decurling paths to reduce copy curl. A controller automatically determines the optimum decurling path for an individual copy paper according to sensor inputs derived from the paper basis weight, color layers, image area coverage and relative humidity. An operator control feature is included that allows operators to reduce output curl of out-of-specification papers through push-buttons on a machine control panel.

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patent: 4591259 (1986-05-01), Kuo et al.
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patent: 5084731 (1992-01-01), Baruch
patent: 5099269 (1992-03-01), Johdai et al.
patent: 5287157 (1994-02-01), Miyazato et al.

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