Description: 1st paper tray lift motor malfunction. The paper lift sensor did not activate within 10 sec. after the tray lift motor switched on.
Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
Remedy: • Check or replace the harness. • Replace the tray lift motor. • Replace the BCU.
Code: 502
Description: 2nd paper tray lift motor malfunction (optional paper feed unit). The paper lift sensor did not activate within 10 sec. after the tray lift motor switched on.
Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
Remedy: • Check or replace the harness. • Replace the tray lift motor. • Replace the BCU.
Code: 503
Description: 3rd paper tray lift motor malfunction (optional paper feed unit). The paper lift sensor did not activate within 10 sec. after the tray lift motor switched on.
Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
Remedy: • Check or replace the harness. • Replace the tray lift motor. • Replace the BCU.
Code: 504
Description: 4th paper tray lift motor malfunction (optional paper feed unit). The paper lift sensor did not activate within 10 sec. after the tray lift motor switched on.
Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
Remedy: • Check or replace the harness. • Replace the tray lift motor. • Replace the BCU.
Code: 530
Description: Ventilation fan 1 error. The motor lock signal error is detected for 10 seconds after the motor lock signal was first detected.
Causes: • Defective ventilation fan 1 or development fan 2 • Disconnected or defective harness • Defective BCU
Remedy: • Check or replace the harness. • Replace the ventilation fan 1 (SC530) or ventilation fan 2 (SC531). • Replace the BCU.
Code: 531
Description: Ventilation fan 2 error. The motor lock signal error is detected for 10 seconds after the motor lock signal was first detected.
Causes: • Defective ventilation fan 1 or development fan 2 • Disconnected or defective harness • Defective BCU
Remedy: • Check or replace the harness. • Replace the ventilation fan 1 (SC530) or ventilation fan 2 (SC531). • Replace the BCU.
Code: 532
Description: Laser unit fan error The motor lock signal error is detected for 10 seconds after the motor lock signal was first detected.
Causes: • Defective laser unit fan • Disconnected or defective harness • Defective BCU
Remedy: • Check or replace the harness. • Replace the laser unit fan. • Replace the BCU.
Code: 533
Description: Fusing front fan error The motor lock signal error is detected for 10 seconds after the motor lock signal was first detected.
Causes: • Defective fusing front fan • Disconnected or defective harness • Defective BCU
Remedy: • Check or replace the harness. • Replace the fusing front fan. • Replace the BCU.