Brother Hl 3040cn User Manual

Rout i ne  Ma i nt e na nce
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cTightly wring out a lint-free cloth soaked in lukewarm water, and then wipe the separator pad (1) of the 
paper tray with it to remove dust.
 
dWipe the two pick-up rollers (1) inside of the printer to remove dust. 
ePut the paper tray back in the printer.
fPlug the printer back in, and then turn on the power switch.
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You can correct 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/
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Identify ing y our problem6
First, check the following:6

The AC power cord is connected properly and the printer is turned on.

All of the protective parts have been removed.

The toner cartridges and drum units are installed properly.

The top and back covers are fully closed.

Paper is inserted...

Troubleshooting
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LCD messages6
As with any sophisticated office product, errors may occur and consumable items may need to be replaced. 
If this happens, your printer automatically stops printing, diagnoses the problem, and displays the resulting 
message on the LCD to alert you. The most common error and maintenance messages are shown below.
You can clear most errors and routine maintenance messages by yourself, referring to the following tables. 
If you need more help, the Brother Solutions Center...

Troubleshooting
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No Belt UnitRe-install the belt unit. (See Belt unit on page 118.)
No PaperPut the paper in the paper tray and then press Go, or put the paper in the manual feed slot. 
If the problem is not solved, the paper pick-up roller may be stained. Clean the paper pick-
up roller. (See Cleaning the paper pick-up roller on page 140.)
No TonerRe-install the toner cartridge that is indicated on the LCD. (See Toner cartridges 
on page 104) 
Re-install the drum unit that is indicated on the LCD....

Troubleshooting
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1(X) shows the toner cartridge o r drum unit co lor that is nea r the end o f its life . (K)=Black, (Y)=Ye llo w, (M)=Magenta, (C)=Cyan.
Maintenance messages
Error messageMeaningA ction
Toner Low (X)
1The toner cartridge is near the end of 
its life.Buy a new toner cartridge for the color that is 
indicated on the LCD before you get a Replace 
Toner message.
Drums End SoonThe drum units are near the end of their 
life. Buy a new drum unit set before you get a Replace 
Drums...

Troubleshooting
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Paper handling6
First, make sure that you are using paper that meets Brother recommended paper specifications. (See About 
paper on page 1.)
ProblemRecommendation
The printer does not feed 
paper.
If there is paper in the paper tray, make sure it is straight. If the paper is curled, 
straighten it before printing. Sometimes it is helpful to remove the paper. Turn the 
stack over and put it back in the paper tray.

Reduce the amount of paper in the paper tray, and then try again....

Troubleshooting
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Paper jams and how to clear them6
If paper jams inside the printer, the printer will stop. One of the following LCD messages will appear to tell 
you where to find the jammed paper.
 

JamTray1 (1)
Paper jam in the standard paper tray (Tray 1). (See page 148.)

Jam Rear (2)
Paper jam where the paper comes out of the printer. (See page 149.)

Jam Inside (3)
Paper jam inside the printer. (See page 151.)
If the error message still appears on the LCD after you remove the jammed paper,...

Troubleshooting
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Jam Tray 1 (Paper jam inside the paper tray)6
 
Jam Tray 1
If a paper jam occurs inside the paper tray, follow these steps:
aPull the paper tray completely out of the printer. 
bUse both hands to slowly pull out the jammed paper. 
Note
Pulling out the jammed paper downward allows you to remove the paper easier.
 
cMake sure that the paper is below the maximum paper mark. While pressing the green paper-guide 
release lever, slide the paper guides to fit the paper size. Make sure that...

Troubleshooting
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dPut the paper tray firmly back in the printer.
ePress Go to resume printing.
Jam Rear (Paper jam behind the back cover)6
 
Jam Rear
If a paper jam occurs behind the face-up output tray, follow these steps:
aTurn off the printers power switch and unplug the AC power cord.
bOpen the back cover. 
CAUTION 
After you have just used the printer, some internal parts will be extremely hot. Wait at least 10 minutes for 
the printer to cool down before continuing to the next step.
 
 
c Pull...

Troubleshooting
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dUsing both hands, gently pull the jammed paper out of the fuser unit. 
e Close the fuser cover (1) and lift the green tabs at the left and right hand sides. 
fClose the back cover.
gPlug the printer back in, and then turn on the power switch.
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