Brother MFC 9840CDW - Manual (Page 130)

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Troubleshooting
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IMPORTANT
For technical help, you must call the country where you bought the machine. Calls must be
made from within that country.
If you are having difficulty with your machine
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If you think there is a problem, check the chart below and follow the troubleshooting tips. You can
solve 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.
Troubleshooting and routine
maintenance
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Printing or receiving faxes
Difficulties Suggestions
„ Condensed print
„ Horizontal streaks
„ Top and bottom sentences are
cut off
„ Missing lines
Usually this is caused by a poor telephone connection. If your copy looks good,
you probably had a bad connection, with static or interference on the telephone
line. Ask the other party to send the fax again.
Poor print quality See Improving the print quality on page 121.
Vertical black lines when receiving One of the corona wires for printing may be dirty. Clean the four corona wires.
(See Cleaning the corona wires on page 158.)
The sender’s scanner may be dirty. Ask the 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 1-877-BROTHER
(1-877-276-8437) (in USA) or 1-877-BROTHER (in Canada).
Received faxes appear as split or
blank pages. If the received faxes are divided and printed on two pages or if you get an extra
blank page, your paper size setting may not be correct for the paper you are using.
(See Paper size on page 23.)
Turn on auto reduction. (See Printing a reduced incoming fax on page 48.)