Photocopying – Contact printing – Light boxes
Patent
1995-04-17
1996-06-18
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355316, G03G 1500
Patent
active
055283470
ABSTRACT:
A method of changing the reference timing of a sheet transport control in an imaging forming device for determining the validity of the timing of a sheet by comparing the actual timing of a sheet with a a given reference timing. Actual timings for a plurality of copy sheets in relation to a predetermined sensor are stored in memory. A typical time period from the plurality of copy sheets is then determined in relation to the sensor and the reference timing for the sensor is adjusted based upon the typical time period for the sensor.
REFERENCES:
patent: 4804998 (1989-02-01), Miyawaki
patent: 5313253 (1994-05-01), Martin et al.
Kamath Venkatesh H.
Siegel Robert P.
Chapuran Ronald F.
Pendegrass Joan H.
Xerox Corporation
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