System for controlling curls of a paper

Details System for controlling curls of a paper System for controlling curls of a paper

1988-05-20

1990-05-15

Teska, Kevin J.

Boots, shoes, and leggings

355204, 355207, 355311, 356387, 364550, 364556, G03G 1500, G06F 1562

Patent

active

049263587

ABSTRACT:
A curl control system applicable to an electrophotographic copier for sensing the conditions of curls of a paper being transported and correcting the curls includes a curl sensing device and a curl correcting device. Two distance sensor units illuminate the paper and receive a reflection from the paper to sense the amount and direction of curl of the paper. A paper size sensor is provided for sensing the size of the paper. The curl correcting device corrects the curls on the basis of the amount and direction of curl sensed. The curl correcting device may be implemented in the device in many fashions.

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