Ricoh SP 330SFN, Service Manual, Page: 261 / 333

Scanner (for MF models)
SM 7-19 M0C3/M0C4/M0C5/M0C6/M0C7
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7.4 SCANNER (FOR MF MODELS)
7.4.1 OVERVIEW
Callout Item
1. Scanner carriage unit
2. DF exposure glass
3. Scanner exposure glass
4. Carriage drive shaft
5. White sheet
7.4.2 MECHANISM
The scanner motor [A] drives the scanner carriage unit [B] through gears and a timing belt [C].
The scanner carriage unit moves along the carriage drive shaft [D]. The carriage home position
sensor [E] in the scanner detects the home position of the carriage unit when initializing the
scanner or before/after scanning. The scanner carriage unit moves to read the white sheet
before every scan mode to adjust the white level.