Ricoh D065 Service Manual page 459

Service Call Conditions
Potential sensor defective
Potential sensor harness disconnected
Potential sensor connector defective or disconnected
-
IOB defective
OPC connector defective
LD defective
Potential sensor calibration error 5
C
During drum potential sensor calibration, when -100V is applied to the drum,
the output value is out of the prescribed range.
Potential sensor defective
315
Potential sensor harness disconnected
Potential sensor connector defective or disconnected
-
IOB defective
OPC connector defective
Development power pack defective
Potential sensor calibration error 6
C
During drum potential sensor calibration, when -800V is applied to the drum,
the output value is out of the prescribed range.
Potential sensor defective
316
Potential sensor harness disconnected
Potential sensor connector defective or disconnected
-
IOB defective
OPC connector defective
Development power pack defective
D062/D063/D065/D066 3-14 SM Appendix