• Code: 121.05
• Description: Fuser - fuser heater error
• Remedy: 1 Is the fuser installed and seated properly? Go to step 2. Properly install the fuser. 2 Are CN02 and CN04 on the LVPS, and CN16 on the printhead controller board properly connected? Go to step 3. Properly connect all the cables. 3 Check the fuser connectors on the fuser power cable for damage. Is there any damage? Replace the fuser power cable. Go to step 4. 4 Check the fuser power cable for continuity. Is there continuity? Go to step 5 Replace the fuser power cable 5 Replace the fuser. Does this fix the problem? Problem solved Go to step 6. 6 Replace the printhead controller board. Does this fix the problem? Problem solved Go to step 7. 7 Replace the LVPS. See “Low volt power supply removal”. Does this fix the problem? Problem solved Replace the fuser power cable.

• Code: 126.xx
• Description: Power switch error
• Remedy: 1 Is the power switch cable properly connected to CN27 on the engine controller board? Properly connect the connector. Go to step 2 2 Replace the power switch. Does this fix the problem? Problem resolved Go to step 3. 3 Replace the engine controller board. Does this fix the problem? Problem resolved Go to step 4. 4 Replace the power switch cable harness. Does this fix the problem? Problem resolved Contact your second level support.

• Code: 130.xx
• Description: High voltage power supply error
• Remedy: 1 Check CN11 on the printhead controller board, and CN01 on the HVPS for proper connectivity. Are the connection properly connected? Go to step 2 Properly connect the connections. 2 Check the HVPS - printhead controller cable for continuity. Is there continuity? Go to step 4. Go to strep 3. 3 Replace the HVPS-printhead controller cable. Does this resolve the problem? Problem solved Go to step 4. 4 Replace the printhead controller board. Does this resolve the issue? Problem solved Go to step 5. 5 Replace the HVPS. Does this resolve the issue? Problem solved Contact your second level support.

• Code: 132.00
• Description: Density sensor error
• Remedy: 1 Is the density sensor cleaner stuck in place? Go to step 2 Release the cleaner. Replace if damaged. 2 Is the cable connecting the density sensor to CN14 on the printhead controller board connected securely on both ends? Go to step 3. Securely connect the cable. 3 Check the density sensor cable for continuity. Is there continuity? Go to step 4. Replace the density sensor cable. 4 Replace the density sensor. Does this fix the problem? Problem solved. Replace the printhead controller board.

• Code: 132.xx
• Description: Abnormal theta sensor
• Remedy: 1 Is the reference pattern for the color plane alignment printing properly on the transfer belt? Go to step 4. Go to step 2. 2 Did all the colors print on the test pattern? Go to step 4. Go to step 3. 3 Replace the LED head of the colors that failed to print. Did this fix the problem? Problem solved Go to step 4. 4 Check CN01 on the HVPS, CN11 on the printhead controller, and the CN1-4 for proper connections. Are the connected properly? Go to step 5. Connect the cables properly. 5 Is the Theta sensor cable connected properly connected to CN 8 on the printhead controller board and Theta sensor? Go to step 6. Properly connect the cable to CN8 on the printhead controller board and Theta sensor. 6 Is the sensor misaligned, the sponge blocking the sensor and the cover opening and closing smoothly? Properly align the sensor and reposition the sponge on the theta sensor cover. Make sure the cover opens and closes smoothly. Go to step 7. 7 Replace the theta sensor. Does this fix the problem? Problem solved Go to step 8. 8 Replace the engine controller board. Does this fix the problem? Problem solved Go to step 9. 9 Replace the HVPS. Does this fix the problem? Problem solved. Contact your second level support.

• Code: 136.xx
• Description: Temperature humidity sensor error
• Remedy: 1 Is CN4 on the engine board securely connected? Go to step 2 Connect the cable securely. 2 Replace the humidity sensor cable. Does this fix the problem? Problem solved. Go to step 3. 3 Replace the temperature humidity sensor. Does this fix the problem? Problem solved. Replace the printhead controller board.

• Code: 140
• Description: Drive motor error
• Remedy: 1 Are CN 17, 18, 19, and 20 on the engine controller board properly connected? Go to step 2. Connect the cables to the board. 2 Are the cables properly connected to the drive motors? Go to step 3. Connect the cables to the motors. 3 Replace the engine controller board. Did this fix the issue? Problem solved Go to step 4. 4 Replace the defective supply item. Did this fix the problem? Problem solved Replace the drive motor for the affected color.

• Code: 146.01
• Description: Tray1error
• Remedy: 1 Check the cable connecting the paper tray lift motor to CN 6 on the engine board. Is the cable properly connected at both ends? Go to step 3 Go to step 2 2 Connect the cable properly at both ends. Does this fix the problem? Problem resolved. Go to step 3. 3 Check the paper tray lift motor for continuity. Is there continuity? Go to step 5. Go to step 4. 4 Replace the paper tray lift motor cable. Does this fix the problem? Problem resolved. Go to step 5. 5 Replace the paper tray lift motor. Does this fix the problem? Problem resolved. Go to step 6. 6 Replace the engine board. Does this fix the problem? Problem resolved. Contact your second level support.