2. Product specifi cations and descriptions
2-15
Samsung Electronics
Service Manual
ML-331x/371x series
2) Pick up / Retard Roller
When pickup takes place, the pickup roller rotates to separate and transport the paper.
The pickup roller rotates when the pickup clutch is activated. The retard roller serve to make sure
that a single sheet of paper is moved to the paper path, and the paper is moved as far as the registration
roller by the work of the feed roller. The following is a diagram of the pickup section:
2.2.4.1 Feeding Part
It is consists of a basic cassette, an MP tray for supplying different types of media (envelope, label, special
paper) and parts related to paper transferring.
1) Basic cassette
The paper trays consist of the Main trays, Optional trays (SCF), and one Multi-Purpose (MP) tray.
The basic cassette is located on front side of the machine and allows feeding of common paper. Paper size
is set using the Size Guides in each tray. Adjust the Paper length/width guides to match the paper
size.
Pickup Roller
Feed Roller
Regi. Roller
Retard Roller
Pickup Roller
Feed Roller
Regi. Roller
Retard Roller
1 Paper length guide
2
Support guide
3
Paper width guide
1
3
LGL
A4
LTR
2
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