Brother Dcp 7020 User Manual

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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...

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Machine too Hot The inside of the machine is too hot. Make sure you can hear the fan in the DCP spinning 
and the exhaust outlet isnt blocked by something. 
If the fan is spinning, remove some obstacles that 
surround the exhaust outlet, and then leave the DCP 
for several minutes. 
If the fan is not spinning, turn off the DCP and then turn 
it on again. 
No cartridge The toner cartridge is not installed 
properly. Reinstall the toner cartridge.
No Paper Fed The DCP is out of paper or...

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Document jams 
If the document is jammed, follow the steps 
below.
Document is jammed in the top of the 
ADF unit
1Take out any paper from the ADF that is 
not jammed.
2Open the ADF cover.
3Pull the jammed document out to the 
left.
4Close the ADF cover.
5Press Stop/Exit .
Document is jammed under the 
document cover
1Take out any paper from the ADF that is 
not jammed.
2Lift the document cover.
3Pull the jammed document out to the 
right.
4Close the...

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Paper jams
To clear paper jams, please follow the steps 
in this section.
Paper is jammed inside the DCP
1Pull the paper tray completely out of the 
DCP.
2Pull the jammed paper up and out of the 
paper tray opening.
3Open the front cover. 
4Pull out the drum unit and toner 
cartridge assembly. The jammed paper 
may be pulled out with the toner 
cartridge and drum unit assembly, or 
this may release the paper so you can 
pull it up and out of the paper tray 
opening.
5If you can not...

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6Put the drum unit and toner cartridge 
assembly back in the DCP.
7Close the front cover.
8Put the paper tray in the DCP.
Paper is jammed at back of the DCP
1Open the front cover.
2Pull out the drum unit and toner 
cartridge assembly.
3Open the back cover. 
CAUTION
To prevent damage to the DCP caused by 
static electricity, do not touch the 
electrodes shown in the following diagram.
 

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4Pull the tab toward you to open the rear 
chute cover. 
5Pull the jammed paper out of the fuser 
unit. If the jammed paper cannot be 
pulled out easily, push down on the blue 
tab with one hand as you gently pull out 
the paper with the other hand.
6Close the back cover.
7Put the drum unit and toner cartridge 
assembly back into the DCP.
8Close the front cover.
 

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Paper is jammed inside the drum unit 
and toner cartridge assembly
1Open the front cover.
2Pull out the drum unit and toner 
cartridge assembly. 
3Hold down the lock lever on the left and 
pull the toner cartridge out of the drum 
unit.
Take out the jammed paper if there is 
any inside the drum unit.
4Put the toner cartridge back into the 
drum unit until you hear it lock into place. 
If you put it in properly, the lock lever will 
lift automatically.
5Put...

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If you are having difficulty with your DCP
If you think there is a problem with your DCP, check the chart below and follow the troubleshooting 
tips.
The Brother Solutions Center offers the latest FAQs and troubleshooting tips.
Visit us at http://solutions.brother.com
.
DIFFICULTYSUGGESTIONS 
Printing Difficulties
Poor print quality See  Improving the print quality on page 6-11.
Vertical black lines. Sometimes you may see vertical streaks/black lines on the printed pages. The  drum...

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Scanning Difficulties
TWAIN errors appear while 
scanning.Make sure the Brother TWAIN driver is selected as the primary source. In 
PaperPort
®, click Scan in the File menu and select the Brother TWAIN driver.
Software Difficulties
Cannot install software or print. Run the  Repair MFL-Pro Suite program on the CD-ROM. This program will repair 
and reinstall the software.
Cannot perform ‘2 in 1 or 4 in 1’ 
printing. Check that the paper size setting in the...

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Paper Handling Difficulties
The DCP does not load paper. The 
LCD shows  No Paper Fed  or 
Paper Jam . 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 paper tray, and 
then try again. Check that the manual feed mode is...