SC Code Descriptions
No.
Definition
Symptom Possible Cause
101 B
Exposure Lamp Error
The standard white level was not
detected properly when scanning
the white plate.
• Exposure lamp defective
• Exposure lamp stabilizer defective
• Exposure lamp connector defective
•
Dirty scanner mirror or scanner mirror out of
position
• SBU board defective
• SBU connector defective
• Lens block out of position
• Incorrect position or width of white plate
scanning (SP4015)
120 B
Scanner home position error 1
The scanner home position sensor
does not detect the off condition
during initialization or copying.
• Scanner home position sensor defective
• Scanner drive motor defective
• Scanner home position sensor connector
defective
•
Scanner drive motor connector defective
• BICU board defective
121 B
Scanner home position error 2
The scanner home position sensor
does not detect the on condition
during initialization or copying.
• Scanner home position sensor defective
• Scanner drive motor defective
• Scanner home position sensor connector
defective
•
Scanner drive motor connector defective
• BICU board defective
6. Troubleshooting
178
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