Description: Main motor lock
A main motor lock signal is not detected for more than 500 ms after the main motor starts to rotate, or the lock signal is not detected for more than 500 ms during rotation after the last signal.
Causes: • Too much load on the drive mechanism • Main motor defective
Code: SC501
Description: 1st paper tray lift motor malfunction
The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
Causes: • Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection
Code: SC502
Description: 2nd paper tray lift motor malfunction
The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
Causes: • Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection
Code: SC503
Description: 3rd paper tray lift motor malfunction (optional paper tray unit)
The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
Causes: • Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection
Code: SC504
Description: 4th paper tray lift motor malfunction (optional paper tray unit)
The paper lift sensor is not activated after the tray lift motor has been on for 18 seconds.
Causes: • Paper lift sensor defective • Tray lift motor defective • Too much load on the drive mechanism • Poor tray lift motor connection
Code: SC506
Description: Paper tray unit main motor lock (optional paper tray unit only)
A motor lock signal is not detected for more than 1.5 s or the lock signal is not detected for more than 1.0 s during rotation.
Causes: • Paper tray unit motor defective • Too much load on the drive mechanism