Real-time diagnostic system for detecting non-linear movement of

Details Real-time diagnostic system for detecting non-linear movement of Real-time diagnostic system for detecting non-linear movement of

1993-05-04

1994-05-10

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355209, 346 33MC, G03G 1500

Patent

active

053112555

ABSTRACT:
A diagnostic method and apparatus for use in an electronic printer or reproduction machine having a movable imaging member capable of receiving an image from a modulated light source. A plurality of light sources are mounted adjacent the imaging member. Each light source is illuminated in parallel with the activation of a corresponding machine component. The activation of the light sources results in a plurality of timing marks on the imaging member and subsequently on the printed sheet such that the length of each line corresponds to the time the parallel machine component was activated.

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