Service Call Conditions
SM Appendix 3-15 D062/D063/D065/D066
Appendix:
Service Call
Conditions
Potential sensor calibration error 7
C
During drum potential sensor calibration, when VL is adjusted, the pattern
surface potential VL pattern is not within range 0V to -400V. (VL is the
potential after exposing a white pattern.)
317
-
Potential sensor defective
Potential sensor harness disconnected
Potential sensor connector defective or disconnected
IOB defective
OPC connector defective
Charge corona power pack defective
Development power pack defective
TD sensor output error
C
TD sensor output voltage (Vt), measured during each copy cycle, is
detected 10 times at one of the following levels:
Vt = 0.5 volts or lower
Vt = 4.0 volts or higher
340
-
TD sensor defective
TD sensor harness disconnected
TD sensor connector disconnected or defective
IOB defective
Toner bottle motor defective
Note: When the TD sensor is defective, the toner supply is controlled using
pixel count and the ID sensor.
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