Ricoh Pro 8300S - A4 LCT Cooling Fan 1 Error; A4 LCT Cooling Fan 2 Error; Sc780-12; Sc780-13

1.SC Codes
585
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Reconnect the connector.
2. Replace the A3 LCT cooling fan.
3. Replace the harness.
4. Replace the PCB.
SC780-12
Error Name
A4 LCT Cooling Fan 1 Error
Pattern
B
Error Condition
The cooling fan alarm detected an error when the A4 LCT cooling fan 1 was turned ON.
Major Cause
 Power of downstream unit is not turned on.
 A4 LCT cooling fan 1 defective / connector disconnected
 Harness damaged
 PCB defective
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Reconnect the connector.
2. Replace the A4 LCT cooling fan 1.
3. Replace the harness.
4. Replace the PCB.
SC780-13
Error Name
A4 LCT Cooling Fan 2 Error
Pattern
B