Chapter 6

6 - 8

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 la test FAQs and troubleshooting tips.

Visit us at http://solutions.brother.com.

DIFFICULTY SUGGESTIONS
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 unit’s primary corona wire may be dirty. Clean your primary corona wire
(See Cleaning the corona wire on page 6-19).
Copy Quality Difficulties
Vertical black streaks or bl ack spots
appear in copies.
Sometimes you may see ve rtical streaks on yo ur copies. Either the scanner or the
drum unit’s primary corona wire is dirty. Clean them both.
(See Cleaning the scanner glass on page 6-17 and Cleaning the corona wire on
page 6-19.)
Printer Difficulties
The DCP does not print. Please make sure:
• The DCP is plugged in and the power switch is turned on.
—OR—
• The toner cartridge and drum unit are installed properly. (See Replacing the
drum unit (DR-350) on page 6-22.)
—OR—
• The interface cable is securely connected between the DCP and computer.
(See the Quick Setup Guid e.)
—OR—
• Check to see if LCD is showing an error message. (See Error messages on
page 6-1.)
—OR—
• DCP is online. Click Start and then Printer and Faxes. Select the ‘Brother
DCP-7020’ and right-click. Make sure that “Use Printer Offline” is unchecked.
The DCP prints unexpec tedly or it
prints garbage.
Turn off the DCP’s power swit ch and then turn it on aga in. Check the primary
settings in your application s oftware to make sure it is s et up to work with your
DCP.
The DCP prints first couple of
pages correctly, then some pages
have text missing.
Your computer is not recognizing the DCP’s input buffer full signal. Please make
sure you connect the DCP cable c orrectly. (See the Quick Setu p Guide.)
The DCP cannot print full pages of
a document.
Out of Memory message occurs.
Reduce the printing re solution. (See Ad vanced tab in the Softw are User’s Guide
on the CD-ROM.)
Reduce the complexity of your document and try again. Reduce the graphic quality
or the number of font sizes within your application software.
My headers or footers appear whe n
I view my document on th e screen
but do not appear when I print
them.
Your DCP can print 62 lines per pa ge. The top two lines and bot tom two lines are
a restricted area that will not ac cept print. Adjust the top an d bottom margins in
your document to allow for th is.