MFC-L3765CDW
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FAQs & Troubleshooting |
![](/g/b/img/product/mfcl3765cdw_us.jpg)
MFC-L3765CDW
Date: 04/11/2022 ID: faq00002458_008
Unusable Device
There are two cases when the display shows this message.
- An unsupported USB device has been connected to the USB host connector.
- A defective USB device or a high power consumption USB device has been connected to the USB direct interface.
Follow the steps below to clear the error message.
Unplug the device from the USB host connector.
- Unplug the device from the USB direct interface.
-
Press and hold
(Power) to turn off the machine, and then turn it on again.
For more information about the supported USB devices, see the "Specification" section.
HL-EX470W, HL-L3295CDW, HL-L8245CDW, HL-L9410CDN, HL-L9430CDN, HL-L9470CDN, MFC-EX670W, MFC-L3765CDW, MFC-L3780CDW, MFC-L8395CDW, MFC-L9610CDN, MFC-L9630CDN, MFC-L9670CDN
If you need further assistance, please contact Brother customer service:
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