Ricoh Pro 8300S - Belt Position Ready Timeout; Sc471-01

1.SC Codes
77
 PTR separation sensor (SEN82) harness is defective.
 PTR separation sensor (SEN82) is defective.
 If contact/separation is not possible:
 Harness between the PTR separation sensor (STM3) and TDRB is not properly connected.
 Harness between the PTR separation sensor (STM3) and TDRB is defective.
 PTR separation motor (STM3) is defective.
 Harness between the TDRB and IOB is not properly connected.
 Harness (drawer) between the TDRB and IOB is defective.
 TDRB is defective.
 IOB is defective.
Solution
1. Enter the SP mode, and execute SP5-805-077 Paper Transfer Contact Motor.
 If contact/separation is possible:
Sensor is not connected properly, or sensor is defective. Go to Step 2.
 If contact/separation is not possible:
Motor or harness is defective. Go to Step 5.
2. Check if there are foreign object on the PTR separation sensor (SEN82), or if it is dirty.
If so, clean the sensor.
3. Check the harness between the PTR separation sensor (SEN82) and the TDRB. (connector loose
or disconnected)
4. Replace the harness between the PTR separation sensor (SEN82) and the TDRB.
5. Replace the PTR separation sensor (SEN82).
6. Check the harness between the PTR separation motor (STM3) and the TDRB. (connector loose or
disconnected)
7. Replace the harness between the PTR separation motor (STM3) and the TDRB.
8. Replace the PTR separation motor (STM3).
9. Check the harness between the TDRB and the IOB. (connector loose or disconnected)
10. Replace the harness (drawer) between the TDRB and IOB.
11. Replace the TDRB.
12. Replace the IOB.
SC471-01
Error Name
Belt Position Ready Timeout
Pattern
D