Ricoh D065 Service Manual page 457

Service Call Conditions
Charge corona unit defective or disconnected
- Charge corona harness defective
Charge corona power pack is defective.
Charge corona wire cleaner error 1
The charge cleaner pad does not arrive at the home position:
D
Motor locked within 4 s after switching on, or does not lock within 30 s.
305
Motor locked within 10 s after reversing, or does not lock within 30 s.
Charge corona wire cleaner motor defective
-
Motor driver defective
Charge corona wire cleaner error 2
C
Charge corona motor is disconnected. (The current at the charge corona
306
motor is detected less than 83 mA.)
Charge corona wire cleaner motor connector is defective or
-
disconnected.
When SC310 to SC317 are logged, the machine halts without displaying the SC
number. These SC codes log an abnormal condition at the potential sensor only
when SP3901 (Auto Process Control) is set to on.
Potential sensor calibration error 1
During drum potential sensor calibration, the drum potential sensor output
C
voltage does not meet specification when test voltages (–100V, –800V) are
applied to the drum.
310
Potential sensor defective
Potential sensor harness disconnected
Potential sensor connector defective or disconnected
-
IOB defective
OPC connector defective
Development power pack defective
D062/D063/D065/D066 3-12 SM Appendix