Troubleshooting; Error And Maintenance Messages - Brother MFC-9970CDW User Manual

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Troubleshooting

Error and maintenance messages

As with any sophisticated office product, errors may occur and consumable items may need 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
below.
You can correct most errors and perform routine maintenance by yourself. If you need more help,
the Brother Solutions Center offers the latest FAQs and troubleshooting tips:
Visit us at http://solutions.brother.com/.
Error Message
Access Denied
Access Error
Calibration
failed.
Cartridge Error
Put the Black (K)
Toner Cartridge
1
back in.
1
The toner cartridge
color with the problem
is shown in the
message.
Comm.Error
Cause
The function you want to use is
restricted by Secure Function
Lock.
The device is removed from the
USB direct interface while the
data is processing.
Calibration failed.
The toner cartridge is not
installed properly.
Poor telephone line quality
caused a communication error.
Action
Contact your administrator to check your
Secure Function Lock Settings.
Press Stop/Exit. Reinsert the device and try
to print with Direct Print.
 Turn off the machine. Wait a few seconds,
then turn it on again.
 Put in a new drum unit. (See Replacing
the drum unit on page 76.)
 Put in a new belt unit. (See Replacing the
belt unit on page 82.)
 Put in a new waste toner box. (See
Replacing the waste toner box
on page 88.)
 If the problem continues, call Brother
Customer Service.
Pull out the drum unit and remove the toner
cartridge for the color that is indicated on the
LCD, then re-install the toner cartridge in the
drum unit. Put the drum unit back into the
machine again.
Send the fax again or connect the machine to
another telephone line. If the problem
continues, call the telephone company and
ask them to check your telephone line.
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