Brother MFC-760, Service Manual

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T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E 21 - 6
If You Are Having Difficulty with Your MFC
If you think there is a problem with your MFC, make a copy first.
If the copy looks good, the problem is probably not your MFC.
Check the chart below and follow the troubleshooting tips.
Difficulty Suggestions
Condensed Print and If your copy looks good, you probably had a bad
Horizontal Streaks / connection, with static or interference on the
Top and Bottom of phone line. If the copy looks bad, call Brother
Sentences Are Cut Off. Customer Service at 1-800-284-4329 (USA),
1-800-853-6660 (from within Canada)
or 1-514-685-6464 (from within Montreal).
Poor Quality Print Make sure the Printer Driver matches the type
of paper you are using. (See Print Media on
page 23-3.) If you are using plain paper,
try using recommended special paper.
(See Chapter 2.) Don’t handle the paper until
the ink is dry. Adjust the Vertical Alignment.
(See page 14-12.)
Printing Too Dark or Make sure your ink cartridges are fresh.
Too Light Cartridges are good up to two years; after that
the ink may become clogged. Cartridge
expiration dates are printed on the package.
Make sure the Printer Driver matches the type
of paper you are using. (See Print Media on
page 23-3.) Try using recommended special
paper. (See Chapter 2.) The recommended
environment for your MFC is between
50º F to 95º F.
Printing Appears Dirty Make sure you are using the recommended or
Ink Seems to Run.
paper. (See Chapter 3.) Don’t handle the paper
until the ink is dry. The recommended
environment for your MFC is between
50º F to 95º F.
White Lines in Text or Clean the print head. (See Cleaning the Print
Graphics Head on page 21-10.)
Stains Appear on the Make sure the Printer Platen and Pick Up Roller
Reverse Side or at the are not dirty with ink mist.
Bottom of the Page. (See page 21-15.)
Vertical Black Lines The sender’s scanner may be dirty. Ask the
When Receiving sender to make a copy to see if the
problem is with the sending machine. Try
receiving from another fax machine.
If the problem continues, call Brother Customer
Service at 1-800-284-4329 (USA),
1-800-853-6660 (from within Canada) or
1-514-685-6464 (from within Montreal).
Printing
or
Receiving
Faxes