2. Product specifi cations and descriptions
Service Manual
ML-331x/371x series
2-16
Samsung Electronics
3) Registration roller
It has a paper arranging function, paper transferring function, paper detecting function, jam removing
function, and so on.
4) MP tray
The multi-purpose tray can hold special sizes and types of print material, such as postcards, note cards, and
envelopes. It is useful for single page printing on letterhead or colored paper. It uses 3 rollers feeding method
to feed 50 sheets (371x series / 331xND) or 1 sheet (331xD) of general papers.
5) Duplex unit
It has paper transferring function, paper guide function, jam removing function.
It is designed for basic attachment, and the duplex feeding takes a side feeding method. Usable
papers are A4, letter, and legal size paper. For removing a jam occurred in a front part, it is designed to open
a cassette and a guide.It is designed to open a rear cover to remove a jam in a rear part. If a face up tray is
open, the duplex option cannot be used.
6) SCF (Second Cassette Feeder)
It is the same method with the main cassette, and the capacity is 520 sheets.
It has a separate driving mechanism. It is designed for a common use with a main cassette.
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