Ricoh IM 550F - Page 549

6.Troubleshooting
538
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
Replace the scanner carriage.
3. BiCU (PCB16) defective
Replace the BiCU (PCB16).
4. Harness defective
Replace the following harnesses.
• Scanner Carriage – BiCU (PCB16) harness
• BiCU (PCB16) – IOB (PCB17) harness
5. IOB (PCB17) defective
Replace the IOB (PCB17).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC142-
00
D
White level detection error
The white level cannot be adjusted to the target level during auto gain control.
• Condensation in the scanner unit
• Scanner Carriage defective
• BiCU (PCB16) defective
• Harness defective
• Connector disconnected
• White Guide Plate dirty or attachment fault
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
• SBU (PCB3) – LEDB connector (SBU (PCB3) side connector which is on
the scanner carriage)
• BiCU (PCB16) – IOB (PCB17) connector
2. Check the white guide plate (exposure glass).
Check the white guide plate attached to the exposure glass. If the white guide
plate is in an unusual state, replace the white guide plate.
3. Scanner carriage defective
Replace the scanner carriage.
4. BiCU (PCB16) defective
Replace the BiCU (PCB16).
5. Harness defective
Replace the following harnesses.
• Scanner Carriage – BiCU (PCB16) harness
• BiCU (PCB16) – IOB (PCB17) harness