Drum Charge; Overview - Ricoh K-C1 Service Manual

20 February, 2001

DRUM CHARGE

6.8 DRUM CHARGE

6.8.1 OVERVIEW

[D]
[C]
[A]
[B]
B039D205.WMF
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.
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