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Troubleshooting
Error messages
As with any sophisticated office product, errors may occur. If this happens, your DCP identifies
the problem and displays an error message. The most common error messages are shown below.
You can correct most problems by yourself. If you need more help, the Brother Solutions Center
offers latest FAQs and troubleshooting tips.
Visit us at http://solutions.brother.com
.
Troubleshooting and routine
maintenance
ERROR MESSAGES
ERROR MESSAGE CAUSE ACTION
Back Cover Open The back cover is not completely
closed.
Close the back cover of the DCP.
Change Drum Soon The drum unit is near the end of its life. 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 (DR-350) on page 6-22.
Cooling Down
Wait for a while
The temperature of the drum unit or
toner cartridge is too hot. The DCP will
pause its current print job and go into
cooling down mode. During the cooling
down mode, you will hear the cooling
fan running while the display on the
DCP shows Cooling Down, and
Wait for a while.
You must wait 20 minutes for it to cool.
Cover is Open The front cover is not completely
closed.
Close the front cover for the drum unit.
Document Jam The document was not inserted or fed
properly or the document scanned from
the ADF was too long.
See Document jams on page 6-3.
See Using the automatic document feeder (ADF) on
page 1-6.
Data Remaining Print data is left in the DCP’s memory. Re-start printing from your computer.
Print data is left in the DCP’s memory.
The USB cable was unplugged while
the computer was sending the data to
the DCP.
Press Job Cancel. The DCP will cancel the job and
eject the page that is being printed.
Dust on Drum The drum unit needs to be cleaned. See Cleaning the drum unit on page 6-12.
Fail to Warm up The fuser unit is too cold. Turn off the DCP’s power switch, and check the DCP’s
environment. If it is in a location that is too cold or too
hot, try to cool or warm the room by turning on the air
conditioner or heater. Or, change the location. Then,
turn on the DCP’s power switch.
Unit is too Hot The fuser unit is too hot.