Electrophotography – Diagnostics – Document handling
Reexamination Certificate
2008-07-22
2008-07-22
Colilla, Daniel J. (Department: 2854)
Electrophotography
Diagnostics
Document handling
C399S016000, C399S389000, C399S393000
Reexamination Certificate
active
07403722
ABSTRACT:
An image forming device determines a plurality of conditions in the device. In one embodiment, a signal source positioned downstream from a media input tray emits a signal. The signal reflects off of a reflective member and is received by a detector. Based on the amounts of the signal detected by the detector, a controller can determine a media input tray condition and a media sheet condition.
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Coats & Bennett PLLC
Colilla Daniel J.
Ha ‘Wynn’ Q
Lexmark International Inc.
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