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Error and maintenance messages A
The most common error and maintenance messages are shown below.
If you need more help, the Brother Solutions Center offers the latest FAQs and troubleshooting 
tips:
Visit us at http://solutions.brother.com/
.
Error Message Cause Action
Cartridge Error
Put the Toner 
Cartridge back 
in.
The toner cartridge is not 
installed correctly.
Put the toner cartridge firmly into the drum unit, 
and then put is back in the machine.
Verify you are using a genuine 
Brother toner cartridge.
Use only a genuine Brother Original drum unit 
and genuine Brother Original toner cartridge.
Comm.Error Poor telephone line quality 
caused a communication error.
Try sending the fax again.
Cooling Down
Wait for a while
The inside of the machine is 
extremely hot. 
The machine will pause its current print job and 
go into Cooling Down mode. Wait until the 
machine is in Ready mode.
Disconnected The other person or other 
person’s fax machine stopped 
the call.
Try to send or receive again.
Document Jam The document was not 
inserted or fed correctly, or the 
document scanned from the 
ADF was too long.
Pull the jammed paper out of the ADF unit. 
(MFC-1810, MFC-1811 and MFC-1815)
Drum End Soon
Replace Drum
It is time to replace the drum 
unit.
The drum unit counter was not 
reset when a new drum was 
installed.
Replace the drum unit or reset the drum unit 
counter when a new drum is installed. (See the 
instructions that are supplied with the new 
drum unit.)
Out of Memory The machine’s memory is full. Fax sending or copy operation in process
Do one of the following:
 Press Start to send or copy the scanned 
pages.
 Press Stop/Exit and wait until the other 
operations in progress finish, and then try 
again.
Print operation in process
 Press Stop/Exit. The machine will cancel 
the print job and clear it from the memory.
 Lower the print quality.
(See Software User’s Guide: Printing (for 
Windows
®
) or Printing and Faxing (for 
Macintosh))