Xerox 6250N Service Manual - Page 147

Fuser Failure (cont'd) Code 44: Indicates a failure in the Fuser Lamp circuit. Troubleshooting Reference Table Applicable Parts Low-Voltage Power Supply, PL 12.1.10 Fuser Harness Assembly, PL 5.1.9 Wiring and Plug/Jack Map References "Fuser Assembly" on page 10-21 Warning To avoid the potential of electric shock, ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure.. Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the Fuser Assembly for evidence Replace the parts Go to Step 2. of fault or damage. concerned. 2 Remove the Fuser Assembly and check Replace the parts Go to Step 3. for broken or bent pins. concerned. 3 Does the error recur after the Fuser Go to Step 4. Assembly has been replaced with a new one? Complete 4 Replace the Low-Voltage Power Supply Go to Step 5. page 8-99. Does the error recur after the LVPS has been replaced? Complete 5 Troubleshoot using the wiring diagram Complete "Fuser Assembly" on page 10-21. Does the printer function correctly after replacing any defective parts? Go to Step 6. 6 Verify the voltage of P/J61-4 on the Motor Replace the Go to Step 7. Driver Board is 2.8 VDC. LVNC3 Harness Assembly, PL 13.1.1. 7 Verify the voltage of P/J42-11 on the Motor Driver Board is 2.8 VDC. Replace the Motor Driver Board, page 8-101. Go to Step 8. 8 Verify the voltage of P/J12-20 on the Engine Control Board is 2.8 VDC. Replace the Engine Control Board, page 8-107. Replace Front 1A Harness Assembly, PL 13.1.7. 3-66 Phaser 6250 Color Laser Printer Service Manual