Phaser 4500/4510 Service Manual 3-25
Error Messages and Codes
Phaser 4510 Error Message Summary
Control Panel Message Diagnostic Message
Engine
Errors
Jam
Errors
Procedure
to Use
“Engine Logic Board
NVRAM Failure\
Press ?”
U6 NVM fail/ Power Off 59 — Go to
page 3-33.
“Main Motor Failure\
Press ?”
U1 Motor Fail/ Power
Off
55 — Go to
page 3-28.
“Laser Unit Failure\
Press ?”
Laser Fails at warm-up
U2-1 Laser Fail /
Power Off
56 — Go to
page 3-29
“Laser Unit Failure\
Press ?”
Laser Fails Motor
Speed
U2-2: Laser Fail/Power
Off
56 — Go to
page 3-29
“Laser Unit Failure\
Press ?”
LD Power is high
U2-3: Laser Fail/Power
Off
56 — Go to
page 3-29
“Laser Unit Failure\
Press ?”
LD Power is low
U2-4: Laser Fail/Power
Off
56 — Go to
page 3-29
“Fuser Failure\Press ?” Fuser High Temp
U4-1 Fuser Fail/ Power
Off
57 — Go to
page 3-30
“Fuser Failure\ Press ?” Fuser Low Temp
U4-2: Fuser Fail/Power
Off
57 — Go to
page 3-30.
“Fuser Failure\ Press ?” Fuser Overheat in
Stand-by
U4-3: Fuser Fail/Power
Off
57 — Go to
page 3-30.
“Fuser Failure\Press ?” Fuser Fails at warm-up
U4-4: Fuser Fail/
Power Off
57 — Go to
page 3-30.
“Fuser Failure\Press ?” Fuser Thermistor
Failure
U4-5: Fuser Fail/
Power Off
57 — Go to
page 3-30.
“Toner Is Low\ Press ?” J5: Toner Low — — Go to
“Toner
Sensor” on
page 4-22
“Fan Failure\ Power Off
Now\ Press ?”
Fatal Failure: Fan
(Code U5)
58 — Go to
page 3-31.
“Install Or Reseat Print
Cartridge\ Press ?”
J3: Missing Print
Cartridge
——Go to
page 3-61.
“Replace Print Cartridge\
Press ?”
———Go to
page 3-62.