Ricoh MP 7503SP Field Service Manual page 1360

7. Troubleshooting
SC720-34 B
SC720-35 B
1358
• Inspect the area around the motor for obstacles that could interfere with
operation of the motor.
• Inspect harnesses, connectors of the positioning roller motor.
• Inspect harnesses, connectors of the positioning roller HP sensor and
replace if damaged.
• Replace positioning roller lift motor.
• Replace positioning roller HP sensor.
• Replace Finisher main board.
Positioning roller drive motor error (3K/2K Finisher)
An error was detected on the motor drive board that controls operation of this
DC motor. The first occurrence of this error signals a jam alert, the second
occurrence issues this SC code.
• Motor overload
• Motor harness, connector is loose, broken, or defective.
• Motor, motor drive board defective
• Inspect the area around the motor for obstacles that could interfere with
operation of the motor.
• Replace positioning roller drive motor.
• Replace Finisher main board.
TE press motor error (3K/2K Finisher)
An error occurred in the motor drive board that controls operation of this DC
motor. The TE (trailing edge) press plate was not detected at the home position
within the prescribed time, or the plate did not move away from the home
position within the prescribed time.
• Motor overload.
• Motor harness, connector is loose, broken, or defective.
• TE press plate HP sensor harness, connector is loose, broken, or
defective.
• HP sensor defective
• Motor, motor drive board defective.