B troubleshooting, Identifying your problem, Troubleshooting – Brother MFC-J6720DW User Manual
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Identifying your problem
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First, check the following:
The machine's power cord is connected correctly and the machine's power switch is turned on.
All of the protective parts have been removed.
Paper is inserted correctly in the paper tray.
The interface cables are securely connected to the machine and the computer, or the wireless
connection is set up on both the machine and your computer.
Touchscreen Messages
(See Error and maintenance messages on page 103.)
If you did not solve your problem with the above checks, identify your problem and then go to the
suggested page.
Paper handling and Printing problems:
Printing Difficulties on page 122
Print Quality Difficulties on page 124
Paper Handling Difficulties on page 126
Printing Received Faxes on page 127
Telephone and Fax problems:
Telephone Line or Connections on page 128
Handling Incoming Calls on page 131
Copying problems:
Copying Difficulties on page 131
Troubleshooting
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If you think there is a problem with your machine, check each of the items below first and follow
the troubleshooting tips.
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