Phaser 4500/4510 Service Manual 3-69
Error Messages and Codes
Stacker Is Full, Unload Paper
Error Indication
Stacker Is Full, Unload Paper
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Stacker full sensor (0n stacker
PWBA)
■ HVPS/engine logic board
■ Stacker PWBA
■ Stack full actuator
■ “Stacker Signal Diagram” on page 10-37
■ “Stacker General Wiring Diagram” on
page 10-36
■ “Stacker Plug/Jack Locator” on page 10-16
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Manually operate the stack full
actuator at the paper outlet.
Does the stack full actuator move
smoothly?
Go to step 2. Replace the
stack full
actuator
(page 8-117).
2 Enter Service Diagnostics, and from
the Sensor Tests menu select the
Stacker Full Sensor test.
Is the position of the sensor actuator
correctly reported when it is
manually actuated?
Replace the
HVPS/engine
logic board
(page 8-73).
Go to “Stacker
PWBA” on
page 4-54.