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Table 5.1
Control Panel Messages and Corrective Actions
Message
U1-RAM ERROR
POWER OFF/ON
U2-NVRAM ERROR
POWER OFF/ON
U3-COMM.FAULT
POWER OFF/ON
U4-OPTICS FAULT
POWER OFF/ON
U5-POLYGON FAULT
POWER OFF/ON
U6-MOTOR FAULT
POWER OFF/ON
U7-MOTOR FAULT
POWER OFF/ON
W1-COLOR DEV MOD
NEAR END OF USE
W2-BLACK DEV MOD
NEAR END OF USE
W3-PRINT DRUM
NEAR END OF USE
W4-FUSER MODULE
NEAR END OF USE
W5-FUSER OIL/PAD
NEAR END OF USE
WAIT:ADJUSTING
PRINT QUALITY
WAITING
job filename
Explanation/Required Action
There is a print engine RAM fault. Power the printer off and on. If the fault
persists, call for service.
There is a print engine NVRAM fault. Power the printer off and on. If the fault
persists, call for service.
There is a controller/engine communication fault. Power the printer off and on.
If the fault persists, call for service.
There is a laser system fault. Power the printer off and on. If the fault persists,
call for service.
There is a polygon motor fault. Power the printer off and on. If the fault
persists, call for service.
There is a developer motor fault. Power the printer off and on. If the fault
persists, call for service.
There is a main motor fault. Power the printer off and on. If the fault persists,
call for service.
W1 - Color developer cartridge near end of use. Order a new color developer
cartridge.
W2 - Black developer cartridge near end of use. Order a new black developer
cartridge.
W3 - Print drum near end of use. Order a new print drum.
W4 - Fuser module near end of use. Order a new fuser module.
W5 - Fuser oil and pad near end of use. Replace oil bottle.
Please wait - Adjusting print quality
Printer waiting for data.
Control Panel Messages
Chapter 5: Troubleshooting
5-9
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Table of Contents
Troubleshooting
