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C
Troubleshooting C
IMPORTANT
For technical help, you must call the country where you bought the machine. Calls must be
made from within that country.
If you are having difficulty with your machine C
If you think there is a problem, check the chart below and follow the troubleshooting tips. You can
solve most problems by yourself.
If you need additional help, the Brother Solutions Center offers the latest FAQs and
troubleshooting tips.
Visit us at http://solutions.brother.com
.
Troubleshooting and routine
maintenance
C
Copy quality difficulties
Difficulties Suggestions
Vertical black lines appears in
copies.
Black vertical lines on copies are typically caused by dirt or correction fluid on the
glass strip, or one of the corona wires for printing is dirty. (See Cleaning the
scanner on page 78 and Cleaning the corona wires on page 83.)
Printing difficulties
Difficulties Suggestions
No printout. Check that the machine is plugged in and the power switch is turned on.
Check that the toner cartridges and drum unit are installed properly. (See
Replacing the drum unit on page 101.)
Check the interface cable connection on both the machine and your computer.
(See the Quick Setup Guide.)
Check that the correct printer driver has been installed and chosen.
Check to see if the LCD is showing an error message. (See Error and
maintenance messages on page 63.)
Check that the machine is online:
(For Windows Vista™)
Click the Start button, Control Panel, Hardware and Sound, and then
Printers. Right-click Brother DCP-9040CN Printer. Make sure that Use
Printer Offline is unchecked.
(For Windows
®
XP and Windows Server
®
2003)
Click the Start button and select Printers and Faxes. Right-click Brother
DCP-9040CN Printer. Make sure that Use Printer Offline is unchecked.
(For Windows
®
2000)
Click the Start button and select Settings and then Printers. Right-click
Brother DCP-9040CN Printer. Make sure that Use Printer Offline is
unchecked.