Pick-Up Unit - Samsung CLX-8640 series Service Manual

2. Product specifications and Description

2.4.2. Pick-Up Unit

When the cassette is inserted and the LEVER FRICTION rotates, the pick up roller contacts the surface of the paper.
The reverse roller serves to make sure that a single sheet of paper to the feed roller. The shaft of the reverse roller is
driven by gear in the opposite direction of the paper path.
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