Sc756-23; Ring Binder: Punch Entrance Roller Hp Error - Ricoh Pro 8300S Troubleshooting Manual

1.SC Codes
Incorrect type of punch unit is installed. (such as punch unit for predecessor model)

 Motor defective (punch motor)
Connector disconnected

 Overload
Home position sensor defective (Punch HP sensor)

Encoder sensor defective (Punch encoder sensor)

Solution
1. Turn the power OFF and ON.
2. Check the connector.
Check the connection between the punch motor/punch 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 if the correct punch unit is installed.
4. Replace the punch unit.
5. If the main board on the ring binder is defective, replace the main board.

SC756-23

Error Name

Ring Binder: Punch Entrance Roller HP Error

Pattern
B
Error Condition
 The punch entrance roller moved from home position, but home position is detected even after a
specified time had passed. (The first time is reported as a jam. An SC is issued the second time
this occurs.)
 The punch entrance roller has moved to the home position, but home position is not be detected
within a specified time. (The first time is reported as a jam. An SC is issued the second time this
occurs.)
* The first time: Pre-punch jam (J334)
Major Cause
Power of downstream unit not turned on

Motor defective (Punch entrance roller lift motor)

Connector disconnected

Overload

 Home position sensor defective (Punch entrance roller lift HP sensor)
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