Recorders – Electric recording – Electrochemical
Patent
1992-09-18
1993-11-09
Miller, Jr., George H.
Recorders
Electric recording
Electrochemical
355317, G03G 1501, G03G 2100
Patent
active
052607259
ABSTRACT:
A single pass, hybrid ROS/print bar system provides a plurality of latent images which may subsequently be developed in different colors. A ROS unit is initially aligned so that each scan line is registered in the process direction. The alignment is accomplished by forming a pair of opposed V-shaped apertures in the surface of the belt and detecting scan line cross-over of the legs of the V. These cross-overs are manifested as two sets of pulses generated by sensors associated with each target leg. The time differences between pulse sets are compared and the scan line is rotated until the time differences are equal. Once the ROS is registered for skew, one or more print bars are registered by enabling non-image pixels and comparing the output generated by detectors when the lit pixels are viewed through the V-shaped aperture.
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Miller Jr. George H.
Xerox Corporation
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