Ricoh Pro C7200S Troubleshooting Manual page 28

1.SC Codes
SC No. Level
05
The motor did not stop within 3 seconds after the polygon motor went OFF.
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*1 Do not replace the Polygon Motor.
SC No. Level
SC204- D Polygon Motor: XSCRDY Signal Error: 1st/2st
01
SC204- D Polygon Motor: XSCRDY Signal Error: 3st/4st
03
SC204- D Polygon Motor: XSCRDY Signal Error: 5st
05
Polygon motor cannot rotate correctly. (Synchronous lock released)
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*1 Check the voltage if there is a multimeter. There is no problem if your
24
Error Name/Error Condition/Major Cause/Solution
The interface harness to the polygon motor driver damaged, short-circuited,
or does not connected correctly.
Polygon motor or polygon motor driver defective
IPU defective (Incorrect polygon motor control signal, damaged Laser ASIC)
Cycle the main power switch off/on.
Reconnect the harness between laser unit and IPU.
Replace the laser unit.
Replace the IPU.
Replace the harness between laser unit and IPU (polygon harness).
Error Name/Error Condition/Major Cause/Solution
The interface harness to the polygon motor driver damaged, short-circuited,
or does not connected correctly.
Polygon motor or polygon motor driver defective
IPU defective (Incorrect polygon motor control signal, damaged Laser ASIC)
PSU defective (Power for Polygon Motor error, fuse defective)
Incorrect AC voltage (outside the standard range)
Cycle the main power switch off/on.
Reconnect the harness between laser unit and IPU.
Check the polygon power supply 24V of the IPU (pin No.4 on CN570
*1
connector).
Check the polygon power supply 24V of the PSU2 (pin No.12 on CN414
connector). *1
Replace the laser unit.
Replace the IPU.
Replace the PSU2
Replace the harness between laser unit and IPU (polygon harness).
*1
*2