Brother MFC5490CN Service Manual page 96

Error Message Cause
A broken device has been
Unusable Device
connected to the USB direct
Disconnect
interface.
device from
front connector.
Turn the machine
off & on by
pressing On/Off
button on
control panel.
A USB device or USB Flash
Unusable
memory drive that is not supported
Device Please
has been connected to the USB
Disconnect
direct interface.
USB Device.
(For more information, visit us at
http://solutions.brother.com.)
Paper is not the correct size.
Wrong Paper Size
Action
Unplug the device from the USB direct interface,
then press On/Off to turn the machine off and
then on again.
Unplug the device from the USB direct interface.
Check that the machine's Paper Size setting
matches the size of paper in the tray.
4-6
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