N(x), Message – Brother Fax Machine/Multi-Function Center MFC-9125CN User Manual
Page 165

Troubleshooting and routine maintenance
149
C
1
(X) shows the toner cartridge or drum unit color that is near the end of its life. (K)=Black, (Y)=Yellow, (M)=Magenta, 
(C)=Cyan.
Replace Toner
The toner cartridge is at the end 
of its life.
Replace the toner cartridge for the color 
indicated on the LCD. (See Replacing a 
Toner cartridge on page 171.)
Replace WT Box
It is time to replace the waste 
toner box.
Replace the waste toner box. (See 
Replacing the waste toner box on page 185.)
Scan Unable XX
The machine has a mechanical 
problem.
Disconnect the machine from the power 
for several minutes, then reconnect it. 
(The machine can be turned off for 
approximately 60 hours without losing 
faxes stored in the memory. See 
Transferring your faxes or Fax Journal 
report on page 150.)
If the problem continues, call Brother 
Customer Service.
Short paper
The paper size detected is 
shorter than the paper size 
defined in the print job and the 
paper size being used requires 
the back cover to be open.
Open the back cover (back output tray) and 
remove any printed pages. Leave the back 
cover open and press Black Start or 
Color Start.
Size mismatch
The paper in the tray is not the 
correct size.
Load the correct size of paper in the tray and 
set the 
“
Paper Size
”
(Menu, 1, 2, 2 (See
Small paper
The paper size defined in the 
printer driver requires the back 
cover to be open.
Open the back cover (back output tray) and 
press Black Start or Color Start. (See 
Printing on thick paper, labels, envelopes or 
small paper on page 14.)
Toner Low
The toner cartridge is near the 
end of its life.
Buy a new toner cartridge for the color that is 
indicated on the LCD before you get a 
Replace Toner message.
Too Many Files
(MFC-9325CW only)
There are too many files stored 
on the USB Flash memory drive.
Reduce the number of files stored on the 
USB Flash memory drive.
Unusable Device
(MFC-9325CW only)
An incompatible or broken device 
has been connected to the USB 
direct interface.
Remove the USB Flash memory drive from 
the USB direct interface.
WT Box End Soon
The waste toner box is almost full. Buy a new waste toner box before you get a
Replace WT Box message.
Error Message
Cause
Action
