• Code: 042-313
• Description: LVPS Fan Motor Failure Cause: MCU detects an error upon receiving error signal from the LVPS Fan.
• Remedy: 1 • Execute the Diag Digital Output [042- 003] to check the rotation of the LVPS FAN. • Is it working properly? Replace (MCU PWB) Go to Step 2. 2 • Check the installation of the LVPS FAN. • Manually rotate the LVPS FAN. Is there any resistance? Reinstall the LVPS FAN properly Go to Step 3. 3 • Check the connection between the LVPS FAN and LVPS, as well as between the LVPS PWB and MCU PWB. • Are the LVPS FAN and the LVPS HARNESS ASSEMBLY connected securely? Go to Step 4. Securely connect the LVPS FAN and the LVPS HARNESS ASSEMBLY 4 • Replace the LVPS FAN. PL Does an error occur? Go to Step 5. Troubleshooting complete. 5 • Replace the LVPS HARNESS ASSEMBLY. • Does an error occur? Go to Step 6. Troubleshooting complete. 6 • Replace (LVPS). • Does an error occur? Replace (MCU PWB) Troubleshooting complete.

• Code: 042-330
• Description: Rear Fan Failure Cause: MCU detects an error upon receiving error signal from the Rear Fan.
• Remedy: 1 • Execute the Diag Digital Output [042-001] to check the rotation of the Rear Fan. • Is it working properly? Replace (MCU PWB) Go to Step 2. 2 • Check the installation of the Rear Fan. • Manually rotate the Rear Fan. Is there any resistance? Reinstall the Rear Fan properly Go to Step 3. 3 • Check the connection between the Rear Fan and the LVPS, as well as between the LVPS PWB and the MCU PWB. • Are the REAR FAN HARNESS ASSEMBLY and the LVPS HARNESS ASSEMBLY connected securely? Go to Step 4. Securely connect the REAR FAN HARNESS ASSEMBLY and the LVPS HARNESS ASSEMBLY 4 • Replace the Rear Fan. PL Does an error occur? Go to Step 5. Troubleshooting complete. 5 • Replace the REAR FAN HARNESS ASSEMBLY. • Does an error occur? Go to Step 6. Troubleshooting complete. 6 • Replace the LVPS HARNESS ASSEMBLY. • Does an error occur? Go to Step 7. Troubleshooting complete. 7 • Replace (LVPS). • Does an error occur? Replace (MCU PWB) Troubleshooting complete.

• Code: 042-700, 092-661
• Description: 042-700 IOT Over Heat Stop 092-661 IOT Environment Sensor Error Cause: 042-700: The Temp. Sensor sensed high temperature. 092-661: The Temp. Sensor or the Humidity Sensor error was detected.
• Remedy: 042-700: • Printing has been suspended because inside of the printer is extraordinarily hot. • Start the operation after the Printer has cooled down. • Turn the power Off and On to check that the error recurs. Then proceed to the FIP. 092-661: Turn the power Off and On to check that the error recurs. Then proceed to the FIP.
  1 Is there a heat source near the device? Remove the heat source Go to Step 2. 2 Are there any foreign substances in the Temp. Sensor /Humidity Sensor HVPS Detector? Remove the foreign substances Go to Step 3. 3 • Check the connection between the HVPS and the MCU PWB. • Is the HVPS HARNESS ASSEMBLY connected securely? Go to Step 4. Securely connect the HVPS HARNESS ASSEMBLY 4 • Replace the HVPS HARNESS ASSEMBLY. • Does an error occur? Go to Step 5. Troubleshooting complete. 5 • Replace (HVPS (3610)) (HVPS (3615)). • Does an error occur? Replace (MCU PWB) Troubleshooting complete.

• Code: 050-130
• Description: IOT Remain Zone Fusing Jam 051-130 is displayed in the UI. Either of the following error codes is registered in the Error Log. • 077-104 Regi Off Jam • 077-106 Exit On Jam • 077-108 Exit Off Early Jam • 077-109 Exit Off Jam Cause: When Dynamic Jam (cause) was detected: • 077-104 Regi Off Jam • 077-106 Exit On Jam • 077-108 Exit Off Early Jam • 077-109 Exit Off Jam When Static Jam (collateral) was detected: • Exit Sensor On
• Remedy: Paper jam has occurred. Remove the jammed paper. If there is no jammed paper, or the error still occurs after having removed the jammed paper, turn the power Off and On to check that the error recurs, then proceed to the appropriate FIP. • For 077-104 Regi Off Jam • For 077-106 Exit On Jam, 077-108 Exit Off Early Jam, and 077-109 Exit Off Jam, go to FIP 1. 284

• Code: 050-131, 077-107
• Description: 050-131 IOT Remain Zone Duplex Jam 077-107 Duplex Regi On Jam 050-131 is displayed in the UI. 077-107 is registered in the Error Log. Cause: 050-131: When Dynamic Jam (cause) was detected: - 077-107 Duplex Regi On Jam 077-107: After the Invert Clutch turned ON, the Regi. Sensor did not turn ON within the specified time.
• Remedy: 1 Is there any foreign substances or bits of paper found on the paper transport path? Remove the foreign substances and bits of paper, etc. Go to Step 2. 2 Are the paper feed rolls installed properly? Go to Step 3. Reinstall the paper feed rolls 3 Are the paper feed rolls deformed or worn out? Replace the corresponding paper feed rolls Go to Step 4. 4 • Execute the Diag Digital Input [071-102] to check the operation of the Regi. Sensor HVPS. • Is the Regi. Sensor HVPS operating normally? Go to Step 5. Go to FIP 2.03 5 • Execute the Diag Digital Output [071- 008] to check the operation of the CLUTCH ASSEMBLY INVERT. • Is the CLUTCH ASSEMBLY INVERT operating normally? Step 6 Go to FIP 2.09 6 • Execute the Diag Digital Output [071- 001] to check the rotation of the MAIN DRIVE ASSEMBLY. • Is it working properly? Replace (MCU PWB) Go to FIP 2.15

• Code: 050-132
• Description: IOT Remain Zone Regi + MSI + T1 + T2 Jam 050-132 is displayed in the UI. 077-106 is registered in the Error Log. Cause: When Dynamic Jam (cause) was detected: • 077-106 Exit On Jam When Static Jam (collateral) was detected: • Regi Sensor On
• Remedy: 1. Paper jam has occurred. Remove the jammed paper. 2. If there is no jammed paper, or the error still occurs after having removed the jammed paper, turn the power Off and On to check that the error recurs, then proceed to the FIP 1. 284.

• Code: 050-134
• Description: IOT Zone MSI + T1 Jam 051-134 is displayed in the UI. Either of the following error codes is registered in the Error Log. • 071-100 IOT Tray1 Misfeed Jam • 075-100 MSI Misfeed Jam Cause: When Dynamic Jam (cause) was detected: • 071-100 IOT Tray1 Misfeed Jam • 075-100 MSI Misfeed Jam
• Remedy: 1. Paper jam has occurred. Remove the jammed paper. 2. If there is no jammed paper, or the error still occurs after having removed the jammed paper, turn the power Off and On to check that the error recurs, then proceed to the FIP. • 071-100 IOT Tray1 Misfeed Jam, go to FIP 1. 273. • 075-100 MSI Misfeed Jam, go to FIP 1. 281.

• Code: 050-135
• Description: IOT Zone T2 + T3 + T4 + TR2 + TR3 Jam 050-135 is displayed in the UI. 073-101 is registered in the Error Log. Cause: When Dynamic Jam (cause) was detected: • 073-101 IOT Path3 SNS On Jam When Static Jam (collateral) was detected: • Tray2 Path Sensor On, Tray3 Path Sensor On, and Tray4 Path Sensor On
• Remedy: 1. Paper jam has occurred. Remove the jammed paper. 2. If there is no jammed paper, or the error still occurs after having removed the jammed paper, turn the power Off and On to check that the error recurs, then proceed to FIP 1. 277.