Brother DCP 9010CN User Manual

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TroubleshootingC
If you think there is a problem with your machine, check the chart below and follow the 
troubleshooting tips.
Most problems can be easily resolved 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/
.
If you are having difficulty with your machineC
Check the chart below and follow the troubleshooting tips.
Troubleshooting and routine 
maintenance
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Copy difficulties...

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The machine prints the first couple 
of pages correctly, then some 
pages have text missing.„
Check the settings in your application to make sure that it is set up to work with 
your machine.
„ Your computer is not recognising the machine’s input buffer’s full signal. Make 
sure that you connected the interface cable correctly. (See the  Quick Setup 
Guide .)
The headers or footers appear 
when the document displays on the 
screen but they do not show up 
when it is printed. There is an unprintable...

Troubleshooting and routine maintenance45
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Paper handling difficulties
DifficultiesSuggestions
The machine does not load paper.
The LCD shows  No Paper or a 
Paper Jam message. „
If there is no paper, load a new stack of paper into the paper tray.
„ If there is paper in the paper tray, make sure it is straight. If the paper is curled, 
you should straighten it. Sometimes it is helpful to remove the paper, turn the 
stack over and put it back into the paper tray.
„ Reduce the amount of paper in the...

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Network difficulties
DifficultiesSuggestions
Cannot print over a wired Network. If you are having Network problems see the  Network User’s Guide on the 
CD-ROM for more information.
Make sure your machine is powered on and is on-line and in the Ready mode. 
Print the Network Configuration list to see your current Network settings. (See 
Network Configuration List  on page 99.) Reconnect the LAN cable to the hub to 
verify that the cable and network connections are good. If possible, try 
connecting...

Troubleshooting and routine maintenance47
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The network scanning feature 
does not work.
The network printing feature does 
not work.
(continued)(Windows Vista®)
aClick the 
Start button,  Control Panel , Network and Internet , Windows 
Firewall  and click  Change settings .
bWhen the User Account Control  screen appears, do the following.
„ Users who have administrator rights: Click  Continue.
„ For users who do not have administrator rights: Enter the 
administrator password and click  OK.
cMake sure...

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Improving the print qualityC
If you have a print quality problem, print a test page first (Menu, 3 , 2 , 3 ). If the printout looks good, 
the problem is probably not the machine. Check the interface cable connections or try printing a 
different document. If the printout or test page printed from the machine has a quality problem, 
check the following steps first. And then, if you still have a print quality problem, check the chart 
below and follow the recommendation.
aCheck that you use the paper...

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White streaks or bands down 
the page
 
„Wipe the windows of all four LED heads with a dry lint free soft cloth. 
(See  Cleaning the LED heads  on page 68.)
„ Clean all four drum units. (See  Cleaning the drum unit on page 70.)
„ Identify the missing colour and put in a new toner cartridge. (See 
Replacing a Toner cartridge  on page 79.) 
You may only need to replace one toner cartridge to solve the print 
problem. To identify which toner cartridge needs to be...

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Coloured lines across the page
 
„If coloured lines appear at 30 mm intervals, replace the toner 
cartridge that matches the colour of the line. (See  Replacing a Toner 
cartridge  on page 79.)
„ If coloured lines appear at 94 mm intervals, put in a new drum unit 
that matches the colour of the line. (See  Replacing the drum units 
on page 86.)
White spots or hollow print
 
„ If the problem is not solved after printing a few pages, the drum unit 
may be stained. Clean all four drum units. (See  Small...

Troubleshooting and routine maintenance51
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Toner scatter or toner stain
 
„Check the machine’s environment. Conditions such as high humidity 
and high temperatures may cause this print quality problem. 
(See  Choosing a location  on page 36.)
„ Identify the colour causing the problem and put in a new toner 
cartridge. (See  Replacing a Toner cartridge  on page 79.)
You may only need to replace one toner cartridge to solve the print 
problem. To identify which toner cartridge needs to be replaced,...

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All one colour
 
„Identify the colour causing the problem and put in a new drum unit. 
(See  Replacing the drum units  on page 86.) 
You may only need to replace one drum unit to solve the print 
problem. To identify which drum needs to be replaced, please visit us 
at http://solutions.brother.com/
 to view our FAQs and troubleshooting 
tips.
Colour misregistration
 
„ Make sure that the machine is on a solid level surface.
„ Perform the auto colour registration using the control panel (see  Auto...