• Code: E542-8013
• Description: Error in the swing guide safety switch. 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) or the staple position switch are faulty. 4. The wiring of the swing guide solenoid or the tray 2 shift motor are faulty. 5. The swing guide safety switch (front/rear) is faulty. 6. The staple position switch is faulty. 7. The swing guide solenoid is faulty. 8. The tray 2 shift motor is faulty. 9. The finisher controller PCB is faulty.

• Code: E551-0001
• Description: A. Error in power supply fan (Document Insertion Unit) B. Error in power supply fan (FAN101) (Finisher). A. The lock signal ON is detected while the fan operation. B. The lock signal is detected 1.2 seconds or more while the fan operation.
• Remedy: A: A-1. Power supply fan is faulty. A-2. Connector of the power supply fan is disconnected B: B-1. The connector of the power supply fan (FAN101) is disconnected. B-2. The wiring of the power supply fan is faulty. B-3. The power supply fan is faulty. B-4. The finisher controller PCB is faulty.

• Code: E551-0002
• Description: A. Error in power supply fan (Paper Folding Unit) B. Error in power supply fan (FAN101) (Finisher). The lock status is released when the fan stops.
• Remedy: A: A-1. Connector of the power supply fan is disconnected. A-2. Power supply fan is faulty. B: B-1. The connector of the power supply fan (FAN101) is disconnected. B-2. The wiring of the power supply fan is faulty. B-3. The power supply fan is faulty. B-4. The finisher controller PCB is faulty.

• Code: E551-0011
• Description: Error in the power supply fan of the insertion unit. The loch signal is detected for the specified period of times while the fan operates.
• Remedy: 1. The connector of the fan (F1) is disconnected. 2. The wiring of the fan is faulty. 3. The fan is faulty. 4. The insertion unit controller PCB is faulty.

• Code: E551-0021
• Description: Error in the fan of the paper folding unit. The loch signal is detected for the specified period of times while the fan operates.
• Remedy: 1. The connector of the fan (F1) is disconnected. 2. The wiring of the fan is faulty. 3. The fan is faulty. 4. The paper folding unit controller PCB is faulty.

• Code: E562-8001
• Description: Error in slowing timing sensor (Paper folding unit (Document Insertion Folding Unit/Paper Folding Unit). The receiving-light intensity failed to be within the threshold although the emitting-light intensity is adjusted to be within the threshold when adjusting the sensor.
• Remedy: 1. Connector of the slowing timing sensor (S24/S30) is disconnected. 2. Slowing timing sensor is faulty

• Code: E562-8002
• Description: Error in the disengagement timing sensor of paper folding unit (Document Insertion Folding Unit/Paper Folding Unit). The disengagement timing sensor (S21) adjustment failed.
• Remedy: 1. Connector of the disengagement timing sensor (S21) is disconnected. 2. Disengagement timing sensor is faulty.

• Code: E562-8003
• Description: Error in the folding position accuracy sensor (Document Insertion Folding Unit/Paper Folding Unit). The folding position accuracy sensor (S23) adjustment failed.
• Remedy: 1. Connector of the folding position accuracy sensor (S23) is disconnected. 2. Folding position accuracy sensor is faulty.