Xerox Phaser 6500 Service Manual page 120

Theory of Operation
2-66
• Document Stopper
The Document Stopper properly adjusts the lead edge of documents when
they are set on the ADF. When the Feed Roll Assy is in its home position, a
stopper located on the side of the Feed Roll Assy prevents the Document
Stopper from moving. By receiving drive power, the front portion of the Feed
Roll Assy lowers, 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.
Stopper
(Feed Roller Assembly)
Document Stopper
Document Stopper
Pinch Roller Assembly
The Pinch Roller is normally pressed against the Takeaway Roller by spring tension.
The rotation of the Takeaway Roller feeds documents pinched between the rollers
through to the CVT Window. If a jam occurs, it is hard to retrieve documents held
between the rollers due to the high spring pressure. In order to retrieve jammed
documents, open the ADF Cover to release the spring pressure, and provide
clearance between the Pinch and Takeaway Rollers.
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Phaser 6500/WorkCentre 6505 Service Manual
s6500-482