Ricoh S-C3 F - Page 109

No.
Definition
Symptom Possible Cause
• Defective exposure lamp connector
• Unclean scanner mirror
• Scanner mirror out of position
• Defective SBU board
• Defective SBU connector
• Lens block out of position
• Incorrect position or width of white
plate scanning (* SP4-015)
120 B
Scanner home position error 1
The scanner home position sensor does
not detect the scanner leaving the home
position.
• Defective scanner home position
sensor
• Defective scanner drive motor
• Defective scanner home position
sensor connector
• Defective scanner drive motor
connector
• Defective BICU board
121 B
Scanner home position error 2
The scanner home position sensor does
not detect the scanner coming back to the
home position.
• Defective scanner home position
sensor
• Defective scanner drive motor
• Defective scanner home position
sensor connector
• Defective scanner drive motor
connector
• Defective BICU board
141 B
SBU black level correction error
• The automatic SBU adjustment has
failed to correct the black level three
times at the pre-offset adjustment.
• Defective SBU board
4. Troubleshooting
108
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