Ricoh MP C6502SP Field Service Manual page 1052

5. Troubleshooting
SC No.
SC No.
SC286-01
1050
Level Error Name/Error Condition/Major Cause/Solution
The results of MUSIC pattern reading failed 4 times while the machine is
turned ON.
Details:
• When MUSIC fails 4 times while the machine is turned ON. (The
count is cleared when the machine is turned OFF e.g. when entering
sleep mode.)
• TM sensor sampling error
• Sensor LED adjustment error
• Patch number error
• Transfer belt flaw error
• Main registration error
• Sub registration error
• Main scan magnification ratio error
• Main scan magnification ratio deviation error
• Belt flawed or smudged
• Sensor smudged or defective
• Pattern density defection
• Cycle the machine off/on.
• Replace the TM sensor.
• Replace the belt.
• Process control
• Cleaning
Level Error Name/Error Condition/Major Cause/Solution
C LD shutter open error