• Code: 501
• Description: 1st tray lift malfunction The tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the tray lift sensor should deactivate within 1.5 sec after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec., a message will prompt the user to reset Tray 1. After two attempts to release the error by re-setting the paper tray, if this does not solve the problem then this SC is displayed.
• Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Tray lift sensor connection loose, disconnected, or damaged • Tray lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
• Remedy:

• Code: 502
• Description: 2nd tray lift malfunction The tray lift sensor is not activated after the tray lift motor has been on for 10 seconds. If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the tray lift sensor should deactivate within 1.5 sec. after the paper bottom plate starts to drop. If it does not deactivate within 1.5 sec., a message will prompt the user to reset Tray 2. After two attempts to re-set the paper tray, if this does not solve the problem then this SC is displayed.
• Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Tray lift sensor connection loose, disconnected, or damaged • Tray lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective
• Remedy:

• Code: 503
• Description: 3rd tray lift malfunction (optional paper feed unit or LCT) For the paper feed unit: • The lift sensor does not turn on within 15 seconds after the tray lift motor has turned on. • When the tray lowers, the tray lift sensor does not go off within 1.5 sec. If this condition occurs three consecutive times, the SC is generated. For the LCT: • The lift sensor does not turn on or turn off within 8 seconds after the tray lift motor has turned on to lift or lower the tray. • When the main switch is turned on or when the LCT is set, if the end fence is not in its position (home position sensor ON), the tray lift motor stops. If this condition occurs three consecutive times, the SC is generated. • If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to lower the tray after the upper limit has been detected at power on. If this condition occurs three consecutive times, the SC is generated. • The paper is detected in the left tray even the end fence is not its position (home position sensor OFF) after the left tray set switch is on at power on. If this condition occurs three consecutive times, the SC is generated.
• Causes: For the paper feed unit: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection For the LCT: • Defective stack transport clutch or connector disconnection • Defective tray motor or connector disconnection • Defective end fence home position sensor or connector disconnection • Defective upper limit sensor or connector disconnection • Defective tray lift motor or connector disconnection • Defective pick-up solenoid or connector disconnection • Left tray set switch or connector disconnection
• Remedy:

• Code: 504
• Description: 4th tray lift malfunction (optional paper feed unit or LCT) For the two-tray paper feed unit: • When the tray lift motor is turned on, the upper limit is not detected within 15 seconds. If this condition occurs three consecutive times, the SC is generated. • When the tray lowers, the tray lift sensor does not go off within 1.5 sec. For the LCT: • After the job is finished, if the end fence is not in the home position (home position sensor ON), the tray lift motor stops. • When the main switch is turned on or when the paper feed unit is set, if the end fence is not in the home position (home position sensor ON), the tray lift motor stops. If this condition occurs three consecutive times, the SC is generated. • If the upper or lower limit is not detected within 8 seconds when the tray lift motor is turned on to lift up or lower the tray. • When the tray lowers, the tray lift sensor does not go off within 1.5 sec.
• Causes: For the paper feed unit: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection For the LCT: • Defective tray lift motor or connector disconnection • Defective lift sensor or connector disconnection
• Remedy:

• Code: 505
• Description: 5th tray lift malfunction (optional paper feed unit or LCT) For the two-tray paper feed unit: • If the upper limit of the two-tray paper feed unit is not detected within 15 seconds when the tray lift motor is turned on to lift up the tray. • When the tray lowers, the tray lift sensor does not go off within 1.5 sec. If this condition occurs three consecutive times, the SC is generated. For the LCT: • If the upper limit of the LCT 1200-sheet is not detected within 8 seconds when the tray lift motor is turned on to lift up or lower the tray. • The tray lift sensor of the LCT 1200-sheet does not go off within 1.5 seconds when the tray lowers. If this condition occurs three consecutive times, the SC is generated.
• Causes: • Tray lift motor defective or disconnected • Upper limit sensor defective or disconnected
• Remedy:

• Code: 530
• Description: Fusing exhaust fan motor error The IOB does not receive the lock signal for 10 seconds after turning on the fusing exhaust fan.
• Causes: • Defective fusing exhaust fan motor or connector disconnection • Defective IOB • Disconnected harness
• Remedy:

• Code: 531
• Description: Exhaust fan motor error The IOB does not receive the lock signal for 10 seconds after turning on the exhaust fan motor.
• Causes: • Defective exhaust fan motor or connector disconnection. • Defective IOB • Disconnected harness
• Remedy:

• Code: 532
• Description: Cooling fan motor error The machine does not detect the fan motor lock signal for 10 seconds after turning on the cooling fan motor.
• Causes: • Defective cooling fan motor or connector disconnection. • Disconnected harness • Defective IOB
• Remedy: