Toshiba e-STUDIO5540C Service Manual page 137

Check item
SYS board cooling fan
SYS board
Replace parts
SYS board cooling fan
SYS board
8.3.19 Laser optical unit related service call
[CA10] Polygonal motor abnormality
Classification
Laser optical unit related service call
Check item
Polygonal motor
Laser optical unit
Laser unit cooling fan (front)
Laser unit cooling fan (rear)
Polygonal motor
LGC board
Other
Replace parts
Polygonal motor
Laser unit cooling fan (front)
Laser unit cooling fan (rear)
LGC board
Laser optical unit.
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
• Fun check
• Connector check
• Harness check
• Connector check (CN126)
• Board check
The polygonal motor is not rotating normally.
• Motor check
(Perform the output check: 03-103)
• Connector check (CN207)
• Harness check
• 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.
• Fan motor check
(Perform the output check: 03-439)
• Connector check
• Harness check
• Motor check
(Perform the output check: 03-103)
• Connector check
• Harness check
• Connector check (CN329)
• Board check
• Perform the troubleshooting procedures for when an
image control related/process related service call or an
image failure occurs.
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Measures
Remarks
Error item
Measures
Remarks