Photoconductor Unit - Ricoh B202 Service Manual

6.7 PHOTOCONDUCTOR UNIT

6.7.1 OVERVIEW
7
6
5
4
1. Cleaning brush roller
2. Charge roller (non-contact)
3. OPC drum
4. Cleaning brush
This machine has four independent PCUs, one for each color. Each PCU has the
following:
1) OPC drum
2) Non-contact charge roller
3) Cleaning brush
4) Cleaning blade.
The diameter of the drum is 30 mm (circumference: about 94.25 mm).
The photoconductor gap between a PCU and the corresponding development roller
is determined by the drum positioning plate and the rear shaft. You cannot adjust
this in the field.
SM
3
6-49
PHOTOCONDUCTOR UNIT
1
2
B178D537.WMF
5. Waste toner collection auger
6. Lubricant bar
7. Cleaning blade
B202/B178/B180