• Code: E540-8003
• Description: Error in the Tray 1 Lower Safety Switch (Finisher-D1). The Tray 1 Lower Safety Switch is turned ON while the tray 1 operates.
• Remedy: 1. The connector of the Tray 1 Lower Safety Switch (SW110) or the Tray 1 Shift Motor (M105) are disconnected. 2. The wiring of the Tray 1 Lower Safety Switch (SW110) or the Tray 1 Shift Motor (M105) are faulty. 3. The Tray 1 Lower Safety Switch (SW110) is faulty. 4. The Tray 1 Shift Motor (M105) is faulty. 5. The Finisher Controller PCB is faulty.

• Code: E540-8013
• Description: Error in the Swing Guide Safety Switch (Finisher-D1). The Swing Guide Safety Switch (front/rear) is turned ON while the tray 1 operates.
• Remedy: 1. The connector of the Swing Guide Safety Switch (front/ rear) (SW102/SW104) or the Staple Position Switch (SW103) are disconnected. 2. The connector of the Swing Guide Solenoid (SL101) or the Tray 1 Shift Motor (M105) are disconnected. 3. The wiring of the Swing Guide Safety Switch (front/rear) (SW102/SW104) or the Staple Position Switch (SW103) are faulty. 4. The wiring of the Swing Guide Solenoid (SL101) or the Tray 1 Shift Motor (M105) are faulty. 5. The Swing Guide Safety Switch (front/rear) (SW102/ SW104) is faulty. 6. The Staple Position Switch (SW103) is faulty. 7. The Swing Guide Solenoid (SL101) is faulty. 8. The Tray 1 Shift Motor (M105) is faulty. 9. The Finisher Controller PCB is faulty.

• Code: E542-8001
• Description: Tray 2 time out error (Finisher-D1). 1. The tray 2 does not return to home position when the Tray 2 Shift Motor has been driven for 20 seconds. 2. The tray 2 does not come off the Tray 2 Area Sensor at the same area when the Tray 2 Shift Motor has been driven for 4 seconds.
• Remedy: 1. The connectors of the Tray 2 Area Sensors (S125/S126/ S127) or the Tray 2 Shift Motor (M217) are disconnected. 2. The wiring of the Tray 2 Area Sensors (S125/S126/S127) or the Tray 2 Shift Motor (M217) are faulty. 3. The Tray 2 Area Sensors (S125/S126/S127) is faulty. 4. The Tray 2 Shift Motor (M217) is faulty. 5. The Finisher Controller PCB is faulty.

• Code: E542-8002
• Description: Tray 2 area error (Finisher-D1). The tray 2 detects the discontinuous area with the Tray 2 Area Sensors.
• Remedy: 1. The connectors of the Tray 2 Area Sensors (S125/S126/ S127) or the Tray 2 Paper Sensor (S105) are disconnected. 2. The connector of the Tray 2 Shift Motor (M217) is disconnected. 3. The wiring of the Tray 2 Area Sensors (S125/S126/S127) or the Tray 2 Paper Sensor (S105) are faulty. 4. The wiring of the Tray 2 Shift Motor (M217) is faulty. 5. The Tray 2 Area Sensors (S125/S126/S127) is faulty. 6. The Tray 2 Paper Sensor (S105) is faulty. 7. The Tray 2 Shift Motor (M217) is faulty. 8. The Finisher Controller PCB is faulty.

• Code: E542-8003
• Description: Error in the Tray 1 Lower Safety Switch (Finisher-D1). The Tray 1 Lower Safety Switch is turned ON while the tray 2 operates.
• Remedy: 1. The connector of the Tray 1 Lower Safety Switch (SW110) or the Tray 2 Shift Motor (M217) are disconnected. 2. The wiring of the Tray 1 Lower Safety Switch (SW110) or the Tray 2 Shift Motor (M217) are faulty. 3. The Tray 1 Lower Safety Switch (SW110) is faulty. 4. The Tray 2 Shift Motor (M217) is faulty. 5. The Finisher Controller PCB is faulty.

• Code: E542-8013
• Description: Error in the Swing Guide Safety Switch (Finisher-D1). The Swing Guide Safety Switch (front/rear) is turned ON while the tray 2 operates.
• Remedy: 1. The connector of the Swing Guide Safety Switch (front/ rear) (SW102/SW104) or the Staple Position Switch (SW103) are disconnected. 2. The connector of the Swing Guide Solenoid (SL101) or the Tray 2 Shift Motor (M217) are disconnected. 3. The wiring of the Swing Guide Safety Switch (front/rear) (SW102/SW104) or the Staple Position Switch (SW103) are faulty. 4. The wiring of the Swing Guide Solenoid (SL101) or the Tray 2 Shift Motor (M217) are faulty. 5. The Swing Guide Safety Switch (front/rear) (SW102/ SW104) is faulty. 6. The Staple Position Switch (SW103) is faulty. 7. The Swing Guide Solenoid (SL101) is faulty. 8. The Tray 2 Shift Motor (M217) is faulty. 9. The Finisher Controller PCB is faulty.

• Code: E551-0001
• Description: A.Error in Power Supply Cooling Fan (Document Insertion Unit-K1) B.Error in the Power Supply Fan of the Finisher (Finisher-D1). A.The lock detection signal is detected ON while the Power Supply Cooling Fan is driven, or the fan lock detection signal is detected OFF while the Power Supply Cooling Fan is stopped. B.The loch signal is detected 1.2 sec. or more while the fan operates.
• Remedy: A-1. Connector of the Power Supply Cooling Fan (F1) is disconnected A-2. Power Supply Cooling Fan (F1) is faulty B-1. The connector of the Power Supply Fan (FAN101) is disconnected. B-2. The wiring of the Power Supply Fan (FAN101) is faulty. B-3. The Power Supply Fan (FAN101) is faulty. B-4. The Finisher Controller PCB is faulty.

• Code: E551-0002
• Description: A.Error in Power Supply Cooling Fan of Paper Folding Unit (Paper Folding Unit-H1) B.Error in the Power Supply Fan of the Finisher (Finisher-D1). A.The lock detection signal is detected ON while the Power Supply Cooling Fan is driven, or the fan lock detection signal is detected OFF while the Power Supply Cooling Fan is stopped. B.The lock status is released when the fan stops.
• Remedy: A-1. Connector of the Power Supply Cooling Fan (F1) is disconnected A-2. Power Supply Cooling Fan (F1) is faulty B-1. The connector of the Power Supply Fan (FAN101) is disconnected. B-2. The wiring of the Power Supply Fan (FAN101) is faulty. B-3. The Power Supply Fan (FAN101) is faulty. B-4. The Finisher Controller PCB is faulty.