Error Messages and Codes 31Jam at Fuser Jam FThe printerís front panel displays ìJam at Fuserî. The fuser has been removed,reseated and locked into place. Any obstruction, media and debris has been removedfrom the fuser paper path, printer power has been cycled and the error still appears.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map ReferencesFuser, PL 8.1.1 "Drive Section" on page 355Exit Sensor/Actuator, PL 8.1.7 "Fuser Assembly" on page 358Motor Driver Board, PL 12.1.12 "Map 1" on page 345Troubleshooting Procedure TableSteps Actions and Questions Yes No1 Check the following for evidence of fault ordamage:Exit Actuator & Sensor, PL 8.1.7Fuser Assembly, PL 8.1.1Front Cover, PL 1.1.2Chute Assembly In, PL 5.1.1Transfer Roller, PL 8.1.12Imaging Unit, PL 9.1.3Replace thepart(s) concerned.Go to step [2].2 Remove the Fuser and check for broken orbent pins.Replace the partsconcerned.Go to step [3].3 Use service diagnostics to test the ExitSensor.Does the sensor function correctly?Go to step [8]. Replace theFuser Assembly.Go to step [4]4 Does an error occur after the FuserAssembly has been replaced?Go to step [5]. Complete.5 Insert a sheet of paper into the FuserAssembly.Verify the voltage on the Fuser HarnessP138-3 <=> P138-2 is 0VDC.Go to step [7]. Go to step [6].6 Check all pins on the FSR 2 (Fuser)Harness Assembly (PL5.1.10 ) forcontinuity.Go to step [7]. Replace theAssembly,Harness FSR 2PL 5.1.9.7 Check all pins on the Front 1A HarnessAssembly for continuity.Go to step [8]. Replace theAssembly, Front1A, PL 13.1.7.8 If possible print one sheet of paper.Does the Fuser Motor Turn?Inspect the gears for damage.Replace thegear(s) ifdefective.Go to step [9].
