2-26 Phaser 4400 Laser Printer Service Manual5 1. Enter Service Diagnostics and select Sensor Tests.2. Scroll to Exit Sensor (Fuser) and press OK.3. Open the Fuser Access Cover and use a piece ofpaper to block and unblock the Exit Sensor.Does the message on the display alternatebetween ìWith Paperî and ìWithout Paperî asyou block and unblock the sensor?ReplaceEngine LogicBoard (RRP9.3 onpage 6-89).Go to ExitSensor onpage 3-34.6 Open the Rear Cover and check the Face Up ChuteAssembly for contamination or obstructions.Is the chute assembly clean and free ofobstructions?Go to step 7. Clean orreplace theFace UpChuteAssembly asnecessary(PL 1.2 onpage 7-4).7 1. Scroll to Motors/Fans Tests and press OK.2. Scroll to Exit Motor Forward and press OK.Does the Exit Motor rotate?Go to step 8. Go to ExitMotor onpage 3-35.8 Do the Exit Rollers and Pinch Rollers (on theRear Cover) rotate smoothly?Go to step 9. Replace theExit Rollersor Exit ChuteAssembly asnecessary(PL 7.1 onpage 7-18).9 Check the Fuser Assembly for obstructions orcontamination.Is the Fuser clean and free of obstructions?Go to step10.Clean orreplace theFuserAssembly(RRP 6.2 onpage 6-66),asnecessary.10 Check the Transport Chute for contamination orobstructions.Is the Transport Chute clean and free ofobstructions?Replace theEngine LogicBoard (RRP9.3 onpage 6-89).Clean orreplace theTransportChute asnecessary(RRP 6.1 onpage 6-65).Exit Jam Troubleshooting Procedure (cont'd.)Step Actions and Questions Yes No
