2-30 Phaser 4400 Laser Printer Service ManualPaper Size Jam; Check Size and Open Rear Coverto Clear. (PSE-1)(PSE-1: Paper size error)There is a conflict between the size of the paper detected by the printer, and the lengthof time the Registration Sensor is actuated.5 1. Select Sensor Tests.2. Select Duplex Sensor.3. Open the Rear Cover and use a narrow strip of paper(approximately 1 inch wide) to actuate and deactuatethe Duplex Sensor.Does the message on the display alternatebetween ìWith Paperî and ìWithout Paperî asyou press and release the actuator?PerformRegistrationSensor onpage 3-20 totest theRegistrationSensor.Replace theDuplexSensor (RRP12.13 onpage 6-155).If theproblempersists,replace theEngine LogicBoard (RRP9.3 onpage 6-89).6 1. Remove the Duplex Unit, then remove the DuplexCover (RRP 12.3 on page 6-143).2. Disconnect P/J38 from the Duplex PWB.3. Measure the resistance on the disconnected plugbetween pin 1 and pin 2; between pin 1 and pin 3;between pin 1 and pin 4; and between pin 1 and pin 5.Are all four readings between 30 and 37 ohms?Replace theDuplex PWB(RRP 12.4onpage 6-144).If theproblempersists,replace theEngine LogicBoard (RRP9.3 onpage 6-89).Replace theDuplex MotorAssembly(RRP 12.8onpage 6-149).Paper Size Error Troubleshooting ProcedureStep Actions and Questions Yes No1 Does the problem appear when using Tray 1, 2,or 3?Go to step 3. Go to step 2.2 1. Verify the size of paper currently in the MPT Tray.2. Select Menus and press OK, then3. Select Printer Setup Menu and press OK.4. Select Tray Setup Menu and press OK.5. Select MPT Setup Menu and press OK.6. Select Change Paper Size and press OK.Does the paper size checked in the MPT SetupMenu match the size actually in the MPT?Replace theEngine LogicBoard (RRP9.3 onpage 6-89).Set MPT sizeto the size ofpaper actuallyinstalled, thenpress OK.Duplex Jam Troubleshooting Procedure (cont'd.)Step Actions and Questions Yes No
