Error Messages And Codes Troubleshooting Procedures - Xerox Phaser 4500 Service Manual

Error Messages and Codes Troubleshooting
Procedures
The Error Message Summary table that follows is the lead-in to the procedures that
follow in subsequent pages. The Front Panel Message column lists the error message
that appears on the Front Panel when the error occurs during normal operation. The
Diagnostic Message column lists the error message that appears when the error occurs
during use of Service Diagnostics. The Engine Errors column lists the code number
that appears in fault histories, either on the Front Panel display when you view
Engine Error History
The Jam Errors column lists the code that appears on the Front Panel display when
Jam History. The Procedure to Use column lists the page number of the
you view
troubleshooting procedure for that error.
The procedures that follow the table are named with the messages that appear on the
Front Panel when an error occurs.
Error Message Summary
Front Panel Message
"Engine Logic Board NVRAM
Failure\
Press i"
"Main Motor Failure\ Press i" U1: Motor Fail/Power Off
"Laser Unit Failure\
Press i"
"Laser Unit Failure\
Press i"
"Laser Unit Failure\
Press i"
"Laser Unit Failure\
Press i"
"Fuser Failure\Press i"
"Fuser Failure\ Press i"
"Fuser Failure\ Press i"
3-22
or in the Service Usage Profile at line 262 Engine Error Log.
Diagnostic Message
U6: NVM Fail
Laser Fails at warm-up
U2-1: Laser Fail/Power Off
Laser Fails Motor Speed
U2-2: Laser Fail/Power Off
LD Power is high
U2-3: Laser Fail/Power Off
LD Power is low
U2-4: Laser Fail/Power Off
Fuser High Temp
U4-1: Fuser Fail/Power Off
Fuser Low Temp
U4-2: Fuser Fail/Power Off
Fuser Overheat in
Stand-by
U4-3: Fuser Fail/Power Off
Engine Jam
Errors Errors
3 -
2 -
5 -
5 -
5 -
5 -
1 -
1 -
1 -
Phaser 4500 Service Manual
Procedure
to Use
Go to
page 3-31.
Go to
page 3-26.
Go to
page 3-27
Go to
page 3-27
Go to
page 3-27
Go to
page 3-27
Go to
page 3-28
Go to
page 3-28.
Go to
page 3-28.