Ricoh BE-C1 D046 Field Service Manual page 464

2. Appendix: Overview
• Uses an LPH (LED Print Head) capable of 32-level gradation to write 2-bit image data.
2. Scanner Unit
• Uses a CIS for 256-level scanning. To minimize black lines caused by dust or other particles,
the original is scanned from above.
3. Cleaning Unit
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• The drum is cleaned with a counter blade.
4. Fusing Unit
• Fusing is done using a hot roller containing two halogen lamps. For the given paper type/size
selected by the user, the machine chooses the most suitable fusing temperature and nip band
width.
5. OPC Drum, Around the Drum
• The units located around the OPC drum do the charging, image writing, development, transfer,
separation, cleaning, and quenching.
6. Roll Trays (2nd Tray optional)
• Paper is supplied from continuous rolls.
7. By-pass Tray
• The by-pass tray can be used to feed individual sheets of copy paper.
8. Development Unit
• Toner is attracted from a single magnetic roller to the low charge areas on the OPC drum. The
ID sensor inside the unit is used to control the toner concentration.
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