Ricoh Pro 8300S - Flat Fold Unit Pressure Release Motor Error; Sc720-62

1.SC Codes
238
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.
SC720-62
Error Name
Flat Fold Unit Pressure Release Motor Error
Pattern
B
Error Condition
 Home position is not detected within the specified time when moving to the home position. (The
first four times are reported as jams. An SC is issued when it is repeated five times.)
 Home position remains detected after a specified time after leaving the home position. (The first
four times are reported as jams. An SC is issued when it is repeated five times.)
Major Cause
 Power of downstream device is not turned on.
 Motor is defective
 Connector is not connected properly.
 Harness is damaged.
 There is overload.
 HP sensor is defective.
 Board is defective.
*Motor: Flat fold unit pressure release motor <STM11>
*Sensor: Flat fold unit pressure release HP sensor <SN25>
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