3-56 Phaser 4500/4510 Service ManualError Messages and CodesPaper Size JamDiagnostic Error CodePSE-1: Paper size mismatchNoteThis procedure assumes that optional 550-sheet paper feeders areinstalled as tray 3 and tray 4.P4500: If tray 3 or tray 4 is reporting “Executive” when the tray is set to“Legal,” refer to SB702 Rev A for additional troubleshooting information.Troubleshooting ReferenceApplicable Parts Wiring and Plug/Jack Map References■ 150-sheet feeder assembly■ 150-sheet paper cassette■ Registration sensor■ Registration actuator(Actuator B)■ HVPS/engine logic board■ Left tray guide■ 550-sheet feeder assembly■ 550-sheet paper cassette■ “150-Sheet Feeder, 550-Sheet Feeder, MainFan” on page 10-27■ “Print Engine Wiring Diagrams” on page 10-19■ “Print Engine Plug/Jack Locator” on page 10-3Troubleshooting ProcedureSteps Actions and Questions Yes No1 Check the paper size setup.Does the size displayed match thesize of the paper in use in the tray?Go to step 2. Go to step 3.2 Check the registration sensor:1. Enter Service Diagnostics, and fromthe Sensor Tests menu select theRegistration Sensor test.2. Manually actuate the registrationsensor actuator.Does the sensor operate correctly?Go to step 3. Go to“RegistrationSensor” onpage 4-17.3 Check the paper feeding tray.Is the paper supplied from either tray1 or tray 2 when the error occurs?Go to step 4. Go to step 5.4 Check the paper cassette (1).Are the end guide assembly, sectorgear, size rack, size switch links 1/2/3 of the paper cassette in tray 1 ortray 2 installed correctly?Go to “Left TrayGuide” onpage 4-31.Replace thepaper cassette.
