3-56 Phaser 4500/4510 Service Manual
Error Messages and Codes
Paper Size Jam
Diagnostic Error Code
PSE-1: Paper size mismatch
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e
This procedure assumes that optional 550-sheet paper feeders are
installed 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 Reference
Applicable 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, Main
Fan” on page 10-27
■ “Print Engine Wiring Diagrams” on page 10-19
■ “Print Engine Plug/Jack Locator” on page 10-3
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Check the paper size setup.
Does the size displayed match the
size 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 from
the Sensor Tests menu select the
Registration Sensor test.
2.Manually actuate the registration
sensor actuator.
Does the sensor operate correctly?
Go to step 3. Go to
“Registration
Sensor” on
page 4-17.
3 Check the paper feeding tray.
Is the paper supplied from either tray
1 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, sector
gear, size rack, size switch links 1/2/
3 of the paper cassette in tray 1 or
tray 2 installed correctly?
Go to “Left Tray
Guide” on
page 4-31.
Replace the
paper cassette.