MFC-L9630CDN
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FAQs & Troubleshooting |
![](/g/b/img/product/mfcl9630cdn_us_eu_as.jpg)
MFC-L9630CDN
Date: 11/04/2022 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-L8240CDW, HL-L9430CDN, HL-L9470CDN, MFC-EX670, MFC-L3760CDW, MFC-L8340CDW, MFC-L8390CDW, MFC-L9630CDN, MFC-L9635CDN, MFC-L9670CDN
If you need further assistance, please contact Brother customer service:
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