Ricoh K-C3.5L Service Training page 50

Drum Charge Roller
Roller is always in contact with drum.
Drum charge roller is at -1700 V for printing.
Drum surface voltage is - 950 V
Slide 50
More on Drum Charge Roller
The charge roller is part of the PCU unit.
The charge roller turns by friction with the drum.
A charge roller does not generate much ozone, so there is no ozone filter
Drum Charge Roller
50
Model K-C3.5L