Error Name/Error Condition/Major Cause/Solution
• BiCU (PCB16) defective
• Controller board (PCB15) defective
• Scanner Motor (M4) defective
1. Move the scanner carriage by hand to check whether it is unusually
difficult to move.
2. Check that the scanner driving belt is not disengaged.
3. Reconnect the following connector.
Scanner Motor (M4) – Controller Board connector
4. If the connector is broken, shorted, or grounded, replace the connector.
5. Replace the Scanner Motor (M4).
• Scanner HP Sensor (S6) defective
1. Check that the Scanner HP Sensor (S6) is correctly positioned.
2. Reconnect the following connectors.
• Scanner HP Sensor (S6) – SBU (PCB3) connector
• SBU (PCB3) – Controller board (PCB15) connector
3. Replace the Scanner HP Sensor (S6).
• SBU (PCB3) defective
Replace the scanner unit.
• BiCU (PCB16) defective
Replace the BiCU (PCB16).
• Controller board (PCB15) defective
Replace the Controller board (PCB15).
Error Name/Error Condition/Major Cause/Solution
Black level detection error
The black level cannot be adjusted to the target level at the time of turning on the
scanner (when the main power is turned ON).
• Scanner Carriage defective
• BiCU (PCB16) defective
• Harness defective
• IOB (PCB17) defective
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1. Reconnect the following connectors.
• Scanner Carriage – BiCU (PCB16) connector
• BiCU (PCB16) – IOB (PCB17) connector
2. Scanner carriage defective
To Next Page
Loading...
