Ricoh Pro 8300S - Sc756-22

1.SC Codes
561
 Overload
 Home position sensor defective (Punch pre roller lift HP sensor)
Solution
1. Turn the power OFF and ON.
2. Check the connector.
Check the connection between the punch pre roller lift motor/punch pre roller lift HP sensor and the
main board. (Check that all the connectors are properly connected.)
If the connector is not connected properly, reconnect the connector. Turn the power OFF/ON, and
then check if the SC recurs.
3. Check the harness.
Check if the harness between the punch pre roller lift motor/punch pre roller lift HP sensor and the
main board is damaged or exposed. if so, replace the harness. Turn the power OFF/ON, and then
check if the SC recurs.
4. Replace the components.
 If the punch pre roller lift motor does not operate, replace the motor.
 If the punch pre roller lift HP sensor does not react, replace the sensor.
 If the main board on the ring binder is defective, replace the board.
SC756-22
Error Name
Ring Binder: Punch Unit Detection Error
Pattern
B
Error Condition
 The punch unit is not detected at unit initialization.
 The punch motor turns on, but home position is detected even after the specified time (first
rotation).
 The punch motor turns on, but an encoder pulse is not detected within the specified time (first
rotation/HP detection).
 The punch motor turns on, but home position is not detected within the specified time (HP
detection).
(The first time is reported as a jam. An SC is issued the second time this occurs.)
* The first time: Punch motor jam (J340)
Major Cause
 Power of downstream unit not turned on