SC No. Type Error Name/Error Condition/Major Cause/Solution
SC121-00 D Scanner Home Position Error 2
The scanner home position sensor does not go ON.
Details:
Error detection timing
• During homing
• During an automatic adjustment
• 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 home position sensor
• Replace the scanner motor
• Replace the harness.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC141-00 D Black level detection error
The black level cannot be adjusted within the target during auto gain
control.
• Scanner Carriage defective
• IPU defective
• Harness defective
• BCU defective
Service Call 101-195
863
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