Xerox 6250N Service Manual - Page 146

Fuser Failure Code 40: The temperature sensor sensed an overheat condition. Code 41: The temperature sensor sensed a low temperature condition. Code 42: Temperature sensor not providing an output. Code 43: Warm up failure, the temperature sensor does not detect the correct temperature within 60.4 seconds after the fuser lamp has been turned on. Troubleshooting Reference Table Applicable Parts Low-Voltage Power Supply, PL 12.1.10 FSR 2 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 Ensure the correct Fuser (110v/220v) is Replace the parts Go to Step 2. installed in the printer, verify against the concerned. label on the Fuser Assembly. Check the Fuser Assembly for evidence of fault or damage. 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 Check the Fuser Harness for continuity. Go to Step 6. See the wiring diagram"Fuser Assembly" on page 10-21. Replace the Fuser Harness, FSR 2 PL 5.1.9. 6 Check the Front 1A Harness for Replace the Replace Front 1A continuity. Engine Control Harness See the wiring diagram"Fuser Assembly" Board, page 8-107. Assembly, on page 10-21. PL 13.1.7. Error Messages and Codes 3-65