Ricoh Pro 8300S - SC505-26 to 31

1.SC Codes
117
6. Check the mechanical components related to excessive lifting of the bottom plate (tray bottom
plate / lift motor / feeler)
If they are defective, replace them. Turn the main power OFF and then ON.
7. Replace the main PCB.
SC505-26 to 31
Error Name
 505-26: Vacuum Feed LCIT 1 Tray 2 Front Side Fan Error
 505-27: Vacuum Feed LCIT 1 Tray 2 Rear Side Fan Error
 505-28: Vacuum Feed LCIT 1Tray 2 Float Fan Error
 505-29: Vacuum Feed LCIT 1 Tray 2 Separation Fan Error
 505-30: Vacuum Feed LCIT 1 Tray 2 Suction Fan 1 Error
 505-31: Vacuum Feed LCIT 1 Tray 2 Suction Fan 2 Error
Pattern
B
Error Condition
A rotation error was detected from the following fans:
 505-26: Front side fan
 505-27: Rear side fan
 505-28: Float fan
 505-29: Separation fan
 505-30: Suction fan 1
 505-31: Suction fan 2
Major Cause
 Power of downstream unit is not turned on.
 Fan is defective or not connected properly.
 Harnesses are damaged.
 PCB is defective.
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Check the connectors of the harnesses.
Reconnect the connectors. Turn the main power OFF and then ON.
2. Check if the fans are dirty.
Clean the fans. Turn the main power OFF and then ON.
3. Check the fans.