• Code: E5-22
• Description: Finisher Communication
• Causes: 1. EC PCB connector is disconnected. 2. EC PCB is defective. 3. IPC PCB is disconnected. 4. IPC PCB is defective. 5. Finisher Interface Cable is disconnected. 6. OP LVPS connector is disconnected. 7. OP LVPS is defective. 8. DC PCB connector is disconnected. 9. Finisher is defective.

• Code: E5-42
• Description: Total Counter 1 Connection (Upper side)
• Causes: 1. Total Counter connector is disconnected. 2. Total Counter is defective. 3. EC PCB connector is disconnected. 4. EC PCB is defective.

• Code: E5-43
• Description: Total Counter 2 Connection (Down side)
• Causes: 1. Total Counter connector is disconnected. 2. Total Counter is defective. 3. EC PCB connector is disconnected. 4. EC PCB is defective.

• Code: E5-60
• Description: Power Supply Cooling Fan Motor Rotation
• Causes: 1. Cooling Fan connector is disconnected. 2. Cooling Fan is defective. 3. SC PCB connector is disconnected. (CN98) 4. SC PCB is defective.

• Code: E5-70
• Description: SC PCB Abnormal 1
• Causes: 1. SC PCB is defective.

• Code: E5-71
• Description: SC PCB Abnormal 2
• Causes: 1. SC PCB is defective.

• Code: E5-72
• Description: SC PCB Abnormal 3
• Causes: 1. Update SC Firmware. 2. SC PCB is defective.

• Code: E5-73
• Description: HDD Abnormal
• Causes: 1. Check the HDD connectors. 2. Check the SC connection. 3. HDD is defective. 4. SC PCB is defective.