Ricoh D014 Service Manual page 469

SC316 C Drum Charge Error: K
SC317 C Drum Charge Error: M
SC318 C Drum Charge Error: C
SC319 C Drum Charge Error: Y
Drum charge output
voltage (Vpp) exceeded
2.8 kV.
SC320 D Development power pack error: K
SC321 D Development power pack error: M
SC322 D Development power pack error: C
SC323 D Development power pack error: Y
This SC is issued if the
VBCU detects a short in
the development DC
charge for K, M, C, Y.
-or-
SM
CÓPIA NÃO CONTROLADA
Disconnect the high voltage cable from Terminal B of the
high-voltage supply board.
Attach a voltmeter to the terminal.
If there is no output from the terminal, replace the high voltage
power supply.
If there is output from the terminal, test the resistance between
4-19
CÓPIA NÃO CONTROLADA
Service Call Tables
Check the connections of the charge
unit of the PCU where the problem
occurred.
Replace the charge unit of the PCU
(CBG power pack for the K PCU,
charge roller unit for YMC PCUs)
Development power pack defective
High voltage power supply defective
High voltage power supply harness
defective
Development unit defective
IOB harness disconnected or defective
IOB defective
D014/D015/D078/D079