PAPER FEED
B234/B235/B236/D101/D102/D103 6-134 SM
6.14.12 IMAGE POSITION CORRECTION
There are three image position sensors:
One in the LCT paper path above the paper path and in front of the LCT exit
rollers. (This sensor is mounted on its own control board.)
One to the right of the vertical feed path in front of the last pair of transport
rollers.
One in the duplex unit of the copier in front of the duplex exit roller and below
the last pair of duplex transport rollers.
Each sensor is a CIS (Contact Image Sensor). Each sensor checks the side edges
of each sheet as it passes, and feeds this information back to the machine.
If the side-to-side registration of the paper is slightly out of alignment, the machine
will correct the image position when the laser writes the image on the surface of the
drum. This function does not correct the position of the paper.
B234D904A.WMF
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