Feeding Part - Samsung SCX-472 series Service Manual

2. Product specification and description

2.2.4.1. Feeding Part

It consists of a cassette, an MP tray for supplying different types of media (envelope, label, special paper) and parts
related to paper feed initialization.
1) Cassette
The cassette stores the paper (Capacity: 250 sheets (80g/m² paper standard). Both the side guide and the rear guide can be
adjusted for various types of papers from A6 to legal size paper. It has a paper detecting function, and adjustable paper
guides to make it a truly universal cassette.
2) Pick-Up / Forward / Retard roller
When pickup takes place, the pickup roller moves down to come into contact with the surface of the paper. The pickup roller
moves down when the pickup clutch is activated. The forward roller and the retard roller serve to make sure that a single sheet
of paper is moved into the paper path, and the paper is moved as far as the registration roller by the means of the feed roller.
C
A
B
3) Registration roller
It is used as an anti skew device, and to setup proper registration timing with that of the toned image on the drum. It also is
used for jam detection to ensure paper has left the paper tray.
4) MP (Multi-Purpose) Tray
The multi-purpose tray can hold special sizes and types of print material, such as postcards, note cards, and envelopes.
2-15
A : Forwa rd rolle r
B : Re ta rd rolle r
C : P ick u p rolle r
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