Description: ID sensor error 5: edge detection error during calibration The voltage reading of the ID sensor pattern during process control remained less than 2.5V for more than 0.6 sec. during process control.
Causes: • ID sensor dirty • ID sensor harness connection loose, broken, defective • ID sensor defective • IOB defective • Exposure unit defective • Development unit defective • TD power pack defective
Remedy:
Code: SC440
Description: Transfer voltage output error 100 ms after the TD power pack started to output the transfer voltage, the feedback voltage was detected less than 0.5 V for more than 200 ms.
Causes: • Defective high voltage cable caused a voltage leak • TD power pack defective
Remedy:
Code: SC460
Description: Paper separation DC error 100 ms after the TD power pack started to output the separation charge, the feedback voltage was detected less than 0.5 V for more than 200 ms.
Causes: • Defective high voltage cable • TD power pack defective
Remedy:
Code: SC503
Description: Lift sensor 1 error After the upper paper cassette was closed, lift sensor 1 did not switch on within 20 s after tray lift motor 1 switched on. -or- Lift sensor 1 did not switch off within 1 sec. after the tray started to descend.
Causes: • Tray lift motor 1 connector loose, disconnected, broken. • Paper or other foreign object has jammed tray lift motor 1. • Pickup solenoid 1 connector is loose, disconnected, damaged. • Paper or other foreign object has jammed pickup solenoid 1 • Lift sensor 1 defective
Remedy:
Code: SC504
Description: Lift sensor 2 error After the lower paper cassette was closed, lift sensor 2 did not switch on within 20 s after tray lift motor 2 switched on. -or- Lift sensor 2 did not switch off within 1 sec. after the tray started to descend.
Causes: • Tray ift motor 2 connector loose, disconnected, broken. • Paper or other foreign object has jammed tray lift motor 2. • Pickup solenoid 2 connector is loose, disconnected, damaged. • Paper or other foreign object has jammed pickup solenoid 2 • Lift sensor 2 defective
Remedy:
Code: SC506
Description: Cassette feed motor error The cassette feed motor lock signal remained HIGH longer than 2 sec. during operation. Note: When this SC occurs, paper feed from the cassette is not possible. However, roll paper can feed from tray 1 and tray 2.
Causes: • Cassette feed motor harness loose, broken, defective • Drive mechanism overload due to physical obstruction • Motor driver PCB or motor defective
Remedy:
Code: SC507
Description: Main motor lock: registration The registration motor lock signal remained high longer than 5 sec. during motor operation.
Causes: • Motor harness loose, broken, defective • Drive mechanism overloaded due to obstruction • Motor driver PCB or motor defective
Remedy:
Code: SC521
Description: Drum motor error The main motor lock signal remained HIGH for 5 sec. after the motor started.
Causes: • Motor harness loose, broken, defective • Motor driver PDB or motor defective