User Guide

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Error and Maintenance Messages
As with any sophisticated office product, errors may occur and supply items may have to be replaced. If this
happens, your machine identifies the error or required routine maintenance and shows the appropriate message.
The most common error and maintenance messages are shown in the table.
You can correct most errors and perform routine maintenance yourself. If you need more tips, go to your model's
FAQs & Troubleshooting page on the Brother Solutions Center at support.brother.com.
• (MFC-J6945DW)
If the touchscreen displays errors and your Android
™
device supports the NFC feature, touch your
device to the NFC symbol on the control panel to access the Brother Solutions Center and browse the
latest FAQs from your device. (Your mobile telephone provider's message and data rates may apply.)
Make sure the NFC settings of both your Brother machine and your Android
™
device are set to On.
• Related Information references are at the bottom of this page.
Error Message
Cause Action
Black and White Print
Only
One or more of the color ink cartridges
have reached the end of their lives.
You can use the machine in black & white
mode for approximately four weeks
depending on the number of pages you
print.
While this message appears on the
touchscreen, each operation works in the
following way:
• Printing
If the media type is set to Plain Paper
in the Basic tab, and Grayscale is
chosen in the Advanced tab of the
printer driver, you can use the machine
as a black & white printer.
• Copying
If the paper type is set to Plain
Paper you can make copies in black
& white.
• Faxing
If the paper type is set to Plain
Paper, the machine will receive and
print the faxes in black & white.
Replace the ink cartridges.
See Related Information: Replace the Ink
Cartridges.
Although the Cause column lists options
for using the machine after this error
appears, you may not be able to use the
machine until you replace the ink
cartridge(s) under the following
conditions:
• If you unplug the machine or remove
the ink cartridge.
• If you select the Slow Drying Paper
option on the machine or in the printer
driver.
Cannot Detect
An ink cartridge is not installed correctly. Take out the new ink cartridge and
reinstall it slowly and firmly until it locks
into place.
See Related Information: Replace the Ink
Cartridges.
If you are not using Genuine Brother ink,
the machine may not detect the ink
cartridge.
Use a new Genuine Brother Ink Cartridge.
If the error is not cleared, call Brother
Customer Service.
The wrong Brother model ink cartridge
was installed.
Check the model numbers of the ink
cartridges and install the correct ink
cartridges.
Cannot Detect Ink
Volume
If you are not using Genuine Brother ink,
the machine may not detect the ink
volume.
Use a new Genuine Brother Ink Cartridge.
If the error is not cleared, call Brother
Customer Service.
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