Description: Desk communication trouble Desk communication error, communication line test error after turning on the power or canceling the exclusive simulation
Causes: Connector and harness connection trouble or disconnection, desk control PWB trouble, control PWB (PCU) trouble, malfunction due to electrical noises
Remedy: Cancel the trouble by turning OFF/ON. Check the connector and the harness of the communication line.
Code: U6-01
Description: Tray 1 lift-up trouble DLUD1 does not turn ON within the specified time.
Causes: DLUD1 sensor trouble, tray 1 lift-up motor trouble, desk PWB, lift-up unit, paper feed unit harness connection trouble
Remedy: Check DLUD1 and its harness and connector. Check the lift-up unit.
Code: U6-02
Description: Tray 2 lift-up trouble DLUD2 does not turn ON within the specified time.
Causes: DLUD2 sensor trouble, tray 2 lift-up motor trouble, desk PWB, lift-up unit, paper feed unit harness connection trouble
Remedy: Check DLUD2 and its harness and connector. Check the lift-up unit.
Code: U6-09
Description: LCC lift motor trouble • The encoder input value is not changed in 0.13sec (1st time)/0.5sec (2nd time and later) after rotation of the motor. • The motor is rotated for 18sec or more. • The encoder is changed after passing a certain time from stopping the motor. (2sec, 10 count or more)
Causes: Sensor trouble, LCC control PWB trouble, gear breakage, lift motor trouble
Remedy: Use SIM4-2 and 4-3 to check the operation of the sensor and the lift motor. Use SIM15 to cancel the trouble.
Code: U6-10
Description: Desk transport motor trouble Desk transport motor operation trouble
Causes: Motor lock, motor RPM abnormality, overcurent to the motor, console finisher control PWB trouble
Remedy: Use SIM 4-3 to check the operation of the desk transport motor.
Code: U6-20
Description: LCC communication trouble LCC communication error. Communication line test error after turning ON the power or canceling the exclusive simulation. LCC and machine model codes discrepancy error
Causes: Connector and harness connection trouble or disconnection, LCC control PWB trouble, control PWB (PCU) trouble, malfunction due to electrical noises
Remedy: Turn OFF/ON the power to cancel the trouble. Check the connector and the harness of the communication line.