Ricoh PRO C7210X - Page 143

1.SC Codes
139
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
 Unintended noise
 Cycle the machine off/on.
 Set the fuser unit again.
 Reconnect the IOB connector.
 Replace the fuser unit.
 Replace the harness between IOB and Fuser Unit.
 Replace the IOB.
 Replace the BCU.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC685-00
D
DC Power Supply Voltage Error
When an error is detected for the 5V power supply to the Right Drawer Unit
 PSU overcurrent detected (grounding fault caused by harness or motor)
 PSU4 defective
 Connecter disconnected
 PFB malfunctioning
 IOB malfunctioning
 Harness broken or grounding fault
 Replace the part where grounding fault occurred.
 Replace the PSU4.
 Set the connector again.
 Replace the PFB.
 Replace the IOB.
 Replace the harness.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC685-01
D
DC Power Supply Voltage Error
When an error is detected for the 5V power supply to the Right Drawer Unit
1. Replace the part where grounding fault occurred.
2. PSU1 defective.
3. Connecter disconnected
4. TDCU malfunctioning
5. PFB malfunctioning
6. IOB malfunctioning
7. Harness broken
1. Replace the part where grounding fault occurred.
2. Replace the PSU1.