Optical sensor for a jam-free continuous-forms printer

Details Optical sensor for a jam-free continuous-forms printer Optical sensor for a jam-free continuous-forms printer

1993-12-10

1995-09-12

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Original moves continuously

250548, 25055929, 355 68, G03B 2774, G03B 2780, G01N 2186, G01V 904

Patent

active

054501580

ABSTRACT:
Tractor drives of a high speed printer move a length of continuous-form paper longitudinally up from a box of fanfold stacked paper, through a print mechanism, across paper directing means, and downward to refold onto a fanfold stack. A misfold detector is positioned at the paper directing means to sense the jumble of paper caused by misfolding prior to jamming of paper movement through the tractor drive to prevent damage to the paper, complex restarting procedures, or data loss.

REFERENCES:
patent: 5300008 (1994-04-01), Lee et al.
patent: 5321464 (1994-06-01), Jessen et al.
patent: 5350246 (1994-09-01), Sehringer

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