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Error Message Cause Action
Supplies
Toner Low X
(X indicates the toner cartridge
or drum unit color that is near
the end of its life. BK=Black,
C=Cyan, M=Magenta,
Y=Yellow.)
If the LCD displays this
message, you can still print.
The toner cartridge is near the
end of its life.
Order a new toner cartridge before the LCD
displays Replace Toner.
Supplies
WT Box End Soon
The waste toner box is almost
full.
Order a new waste toner box before the LCD
displays Replace WT Box.
Toner Error
One or more toner cartridges
are not installed or not installed
correctly.
Pull out the drum units. Remove all the toner
cartridges, and then put them back into the drum
units.
Too Many Trays
The number of installed
Optional Trays exceeds the
maximum number.
Reduce the number of Optional Trays.
Touchscreen
Initialization Failed
The touchscreen was pressed
before the power on
initialization was completed.
Make sure nothing is touching the touchscreen.
Debris may be stuck between
the lower part of the
touchscreen and its frame.
Insert a piece of stiff paper between the lower part
of the touchscreen and its frame and slide it back
and forth to push out any debris.
Unusable Device
An unsupported USB device
has been connected to the USB
host connector.
Unplug the device from the USB host connector.
Unusable Device
Remove the Device. Turn
the power off and back
on again.
A defective USB device or a
high power consumption USB
device has been connected to
the USB direct interface.
• Unplug the device from the USB direct
interface.
• Press and hold to turn off the machine,
and then turn it on again.
Wrong Paper Size MP
Wrong Paper Size T1
Wrong Paper Size T2
The specified tray ran out of
paper during copying and the
machine could not feed the
same size paper from the next
priority tray.
Refill the paper in the paper tray.
Related Information
• Troubleshooting
• Unable to Print or Scan -Transfer Your Faxes
Related Topics:
• Load and Print Using the Paper Tray
• Load and Print Using the Multi‑purpose Tray (MP Tray)
• Replace Supplies
• Replace the Toner Cartridge
• Replace the Drum Unit
• Replace the Belt Unit
• Replace the Waste Toner Box
• Clean the Corona Wires
• Print a Fax Stored in the Machine's Memory
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