Ricoh Pro 8320 - A4 LCT Tray 2 Timeout Error; Sc505-02

1.SC Codes
108
If they are defective, replace the components. Turn the main power OFF and then ON.
3. Check the harnesses (upper limit sensor / pickup roller solenoid).
If the harnesses are defective, replace the harnesses. Turn the main power OFF and then ON.
4. Replace the main PCB. Turn the main power OFF and then ON.
SC505-02
Error Name
A4 LCT Tray 2 Timeout Error
Pattern
B
Error Condition
During tray initialization, the upper limit sensor fails to detect after the tray bottom plate was lifted for a
prescribed time.
Major Cause
 Power of downstream unit is not turned on.
 Lift motor is defective or not connected properly.
 Upper limit sensor 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 if paper is loaded correctly in the tray.
If not, reload correctly.
2. Check the connectors of the harnesses related to excessive lifting of bottom plate (lift motor, upper
limit sensor).
Reconnect the connectors. Turn the main power OFF and then ON.
3. Check the electrical components related to excessive lifting of bottom plate (lift motor, upper limit
sensor).
If they are defective, replace the components. Turn the main power OFF and then ON.
4. Check the mechanical components related to excessive lifting of bottom plate (bottom plate /
interference of the paper height sensor and feeler)
If they are defective, replace the components. Turn the main power OFF and then ON.
5. Check the harnesses (lift motor, upper limit sensor).
If the harnesses are defective, replace the harnesses. Turn the main power OFF and then ON.
6. Replace the main PCB. Turn the main power OFF and then ON.