Ricoh B121 - Drum Charge

DRUM CHARGE
B121 Series/B259 Series 6-34 SM
6.8 DRUM CHARGE
6.8.1 OVERVIEW
This copier uses a drum charge roller to charge the drum. The drum charge roller
[A] always contacts the surface of the drum [B] to give it a negative charge of –950
V.
The high voltage supply board gives a negative charge of –1700 V to the drum
charge roller through the screw [C] and terminal plate [D]. This voltage can be
changed using SP2-001-1.
B121D938.WMF
[A]
[B]
[D]
[C]