Dell 2135cn Service Manual page 832

Document Stopper
The Document Stopper is to properly adjust the lead edge of documents when they are set on the
ADF.
When the Roll Assy Feed is in its home position, the Document Stopper is kept from moving by a
stopper located in the side of the Roll Assy Feed.
By receiving drive power, the front portion of Roll Assy Feed lowers, and then its stopper releases
the Document Stopper.
The Document Stopper is pressed down by the lead edge of a paper to be fed.
After the paper is fed into the device, the Document Stopper returns to its original position by the
spring force.
Paper
Version 1 2008.02.01
Stopper
(ROLL ASSY FEED)
Document Stopper
Document Stopper
6 – 33
Chapter 6 Principle of Operation (Scanner)
Mnt06031KA