Ricoh Pro 8300S - Sc720-79; Shift Tray 1 Lift Motor Error

1.SC Codes
245
4. Board defective
Replace the main board of Finisher SR5110/SR5120
SC720-79
Error Name
Shift Tray 1 Lift Motor Error
Pattern
B
Error Condition
 When lowering the tray, the paper height sensor still detects paper after a specified time. (The first
four times are reported as jams. An SC is issued when it is repeated five times.)
 When lifting the tray, the paper height sensor does not detect paper after a specified time. (The first
four times are reported as jams. An SC is issued when it is repeated five times.)
 A lift motor error is detected.(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.
 Paper height sensor is defective.
 Board is defective.
*Motor: Shift tray 1 lift motor <DCM04>
*Sensor: Shift tray 1 paper height sensor (trailing edge) <SN48>
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