Brother International MFC-L8850CDW Basic Users Guide - Page 131

Unusable Device, Remove the, Device. Turn the, power off and back, on again., Write-protected

Page 131 highlights

Troubleshooting Error Message Unusable Device Remove the Device. Turn the power off and back on again. Unusable Device USB Write-protected WT Box End Soon Cause A defective USB device or a high power consumption USB device has been connected to the USB direct interface. Action Unplug the device from the USB direct interface. Press and hold down to turn the machine off, and then turn it on again. A USB device or USB flash drive that is encrypted or not supported is connected to the USB direct interface. The protect switch of the USB flash drive is on. The waste toner box is near the end of its life. Unplug the device from the USB direct interface (see the specifications for supported USB flash drives in Printing from a USB flash drive or digital camera supporting mass storage on page 67). Turn off the protect switch of the USB flash drive. Buy a new waste toner box before you get a Replace WT Box message. B 119

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Troubleshooting
119
B
Unusable Device
Remove the
Device. Turn the
power off and back
on again.
A defective USB device or a
high power consumption USB
device has been connected to
the USB direct interface.
Unplug the device from the USB direct
interface. Press and hold down
to turn the
machine off, and then turn it on again.
Unusable Device
A USB device or USB flash
drive that is encrypted or not
supported is connected to the
USB direct interface.
Unplug the device from the USB direct
interface (see the specifications for supported
USB flash drives in
Printing from a USB flash
drive or digital camera supporting mass
storage
on page 67).
USB
Write-protected
The protect switch of the USB
flash drive is on.
Turn off the protect switch of the USB flash
drive.
WT Box End Soon
The waste toner box is near the
end of its life.
Buy a new waste toner box before you get a
Replace WT Box
message.
Error Message
Cause
Action