Ricoh Pro 8300S - Sc720-84; Shift Tray 1 Drag Roller Motor Error

1.SC Codes
247
Shift tray 1 jogger motor <STM28>
Shift tray 1 jogger HP sensor <SN64>
 720-82:
Shift tray 1 jogger fence retract motor <STM29>
Shift tray 1 jogger retract HP sensor <SN65>
 720-83:
Shift tray 1 drag roller movement motor <STM23>
Shift tray 1 drag roller HP sensor <SN36>
 720-85:
Shift tray 1 press lever motor <STM25>
Shift tray 1 press lever HP sensor <SN37>
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.
SC720-84
Error Name
Shift Tray 1 Drag Roller Motor Error
Pattern
B
Error Condition
<During initialization>