Phaser 4400 Laser Printer Service Manual 2-23Jam at Front; Open Front Cover to Clear.(E3-#: Registration Jam)E3-1: Paper is late to the Exit Sensor or paper is late off the Registration Sensor.E3-2: Registration Sensor is actuated at power-on.5 1. Scroll to Main Motor + Clutch/Sol Tests and pressOK.2. Select Main Motor + MPT Sol and press OK.Do all of the following occur? The Feed Roller Shaft rotates? The Pick-up Cams move and allow the BottomPlate to contact the Feed Roller? The Feed Roller Shaft stops after one completerevolution?Check theRegistrationSensor(RegistrationSensor onpage 3-20).Remove theMPT ChuteAssembly(RRP 4.1 onpage 6-44)and repair orreplacecomponentsasnecessary.6 1. Check the Registration Sensor (Registration Sensoron page 3-20).Is the Registration Sensor good?If theproblempersists,replace theEngine LogicBoard (RRP9.3 onpage 6-89).Follow therepair advicein theRegistrationSensorcheck.Registration Jam Troubleshooting ProcedureStep Actions and Questions Yes No1 1. Switch the printer power OFF.2. Open the Front Cover and remove the PrintCartridge.3. Check the printer for contamination, paper scraps, orother obstructions.Is the paper path clean and free of obstructions?Go to step 2. Clean compo-nents andremove allobstructions.2 1. Open the Rear Cover.2. Remove the Duplex unit if installed.3. Open the Fuser Access Cover.4. Check for contamination, paper scraps, or otherobstructions.Is the paper path clean and free of obstructions?Go to step 3. Clean compo-nents andremove allobstructions.3 1. Remove Fuser.2. Rotate the Fuser Gear.Does the Fuser Idler Gear rotate smoothly?Go to step 4. Replace theFuser Assem-bly (RRP 6.2onpage 6-66).4 Check the paper in all trays.Is the paper loaded in the paper trays damp,wrinkled, or damaged?Replace withfresh, drypaper.Go to step 5.Feed Jam Procedure (cont'd.)Step Actions and Questions Yes No
