SC No. Type Error Name/Error Condition/Major Cause/Solution
SC120-00 D Scanner Home Position Error 1
The scanner home position sensor does not go OFF.
Details:
Error detection timing
• During homing (when the machine is turned ON or when it returns
from energy save mode)
• During an automatic adjustment (when the machine is turned ON or
when it returns from energy save mode)
• During a scan from the ADF/ARDF or exposure glass.
• Scanner motor driver defective
• Scanner motor defective
• Scanner HP sensor defective
• Harness defective
• Timing belt, pulley, wire, or carriage not installed correctly
Check if the SC occurs by turning the power OFF then ON. If the SC
occurs again, do the following steps.
1. Replace the following parts:
• Replace the HP sensor
• Replace the scanner motor
• Replace the harness.
6. Troubleshooting
774
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