Ricoh Pro 8320 - Corner Stapler Motor Error; Sc720-44

1.SC Codes
226
 Harness is damaged
 There is overload.
 Encoder is defective.
 HP sensor is defective.
 Board is defective.
Corresponding Motor/Sensor
 Stapler rotation motor <STM04>
 Stapler rotation HP sensor (front) <SN09>
 Stapler rotation HP sensor (rear) <SN10>
Solution
1. Connector not connected properly
Check if the connectors between the main board of finisher SR5110/SR5120 and the motor are
connected correctly (whether they are disconnected or incorrectly connected).
Reconnect it if it is not connected correctly.
2. Damaged harness
Check if the harness between the main board of Finisher SR5110/SR5120 and the motor is
damaged or exposed.
Replace the harness if it is damaged.
3. Motor/sensor defective
Check if the motor or sensor is damaged or there are missing parts, whether the HP sensor turns
off and on, whether the motor rotates on its own, whether it is overloaded, and whether the drive is
transmitted.
Replace the motor or sensor.
4. Board defective
Replace the main board of Finisher SR5110/SR5120
* Before replacing the board, check if the SC occurs in the same way.
SC720-44
Error Name
Corner Stapler Motor Error
Pattern
B
Error Condition
 Stapler motor did not complete operation within the specified time. (The first four times are reported
as jams. An SC is issued when it is repeated five times.)
 Home position is not detected within the specified time when moving to the home position. (The