Error And Maintenance Messages - Brother MFC MFC-7840W User Manual

Error and maintenance messages

As with any sophisticated office product, errors may occur and consumable items may need to be
replaced. If this happens, your machine identifies the error or required routine maintenance and
shows the appropriate message. The most common error and maintenance messages are shown
below.
You can correct most errors and routine maintenance by yourself. 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
Cartridge Error
Drum End Soon
Size mismatch
Comm.Error
Connection Fail
Cause
The toner cartridge is not
installed properly.
The drum unit is near the end of
its life.
The paper in the tray is not the
correct size.
Poor telephone line quality
caused a communication error.
You tried to poll a fax machine
that is not in Polled Waiting mode.
Troubleshooting and routine maintenance
Action
Pull out the drum unit, take out the toner
cartridge that is indicated on the LCD, and
put it back into the drum unit again.
Use the drum unit until you have a print
quality problem; then replace the drum unit
with a new one.
(See Replacing the drum unit on page 130.)
Load the correct size of paper in the tray and
" "
set the Paper Size (Menu, 1, 3 (See Paper
size in Chapter 3)).
Send the fax again or connect the machine
to another telephone line. If the problem
continues, call the telephone company and
ask them to check your telephone line.
Check the other fax machine's polling setup.
B
B
107