Ricoh MP C6502SP Field Service Manual page 1048

5. Troubleshooting
SC No.
SC No.
SC265-02
SC265-03
SC265-04
SC No.
SC270-01
SC270-03
1046
Level Error Name/Error Condition/Major Cause/Solution
• The reading of the thermistor in the laser unit was less than 10 °C
(50 °F), indicating that the thermistor has disconnected.
• The reading of the thermistor in the CK or YM laser unit was more
than 80 °C (176 °F), indicating that the thermistor has shorted out.
Details:
When the thermistor voltage is out of range (-10 to 80 °C) after the
machine was turned on.
• Thermistor defective
• Harness defective
• BCU defective
• Cycle the machine off/on.
• Replace the laser unit.
• Replace the harness of laser unit.
Level Error Name/Error Condition/Major Cause/Solution
C Skew correction error: Cy
C Skew correction error: Ma
C Skew correction error: Ye
The skew control pulse total is not within range.
• Skew motor defective
• Harness defective
• Optical system defective
• Cycle the machine off/on.
• Replace the laser unit.
• Replace the harness of laser unit.
Level Error Name/Error Condition/Major Cause/Solution
D LD ASIC communication error: Bk
D LD ASIC communication error: Ma