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ERROR CODE and TROUBLESHOOTING
8 - 138
8.3.19 Laser optical unit related service call
[CA10] Polygonal motor abnormality
Check item Measures
SYS board cooling fan • Fun check
• Connector check
• Harness check
SYS board • Connector check (CN126)
• Board check
Replace parts Remarks
SYS board cooling fan
SYS board
Classification Error item
Laser optical unit related service call The polygonal motor is not rotating normally.
Check item Measures
Polygonal motor
Laser optical unit
• Motor check
(Perform the output check: 03-103)
• Connector check (CN207)
• Harness check
Laser unit cooling fan (front) • Fan motor check
(Perform the output check: 03-437)
• Connector check
• Harness check
• Check if the suction areas of the laser unit cooling fan
(front) and the laser unit cooling fan (rear) are plugged up.
Laser unit cooling fan (rear) • Fan motor check
(Perform the output check: 03-439)
• Connector check
• Harness check
Polygonal motor • Motor check
(Perform the output check: 03-103)
• Connector check
• Harness check
LGC board • Connector check (CN329)
• Board check
Other • Perform the troubleshooting procedures for when an
image control related/process related service call or an
image failure occurs.
Replace parts Remarks
Polygonal motor
Laser unit cooling fan (front)
Laser unit cooling fan (rear)
LGC board
Laser optical unit.