Service Call Conditions
M018/M019 3-8 SM Appendix
Laser Synchronizing Detection Error: [K]/[Y]
220
The laser synchronizing detection signal for LDB [K]/[Y] is not output after the LDB
unit has turned on while the polygon motor is rotating normally.
Laser Synchronizing Detection Error: [M]/[C]
The laser synchronizing detection signal for LDB [M]/[C] is not output after the
LDB unit has turned on while the polygon motor is rotating normally.
222
Disconnected cable from the laser synchronizing detection unit or defective
connection
Defective laser synchronizing detector
Defective LDB
Defective EGB
1. Check the connectors.
2. Replace the laser optics unit.
3. Replace the EGB.
LD error
The IPU (EGB) detects a problem at the LD unit.
240
Worn-out LD
Disconnected or broken harness of the LD.
1. Replace the laser optics unit.
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