HL-T4000DW
常见问题解答与故障排除 |
HL-T4000DW
日期: 2020-09-14 ID: faq00002458_007
Unusable Device
There are two cases when the display shows this message.
- A broken device is connected to the USB direct interface.
- A USB device or USB flash drive that is not supported has been connected to the USB direct interface.
Follow the steps below to clear the error message.
- Disconnect the device from the USB direct interface.
- Turn the machine off and then on again.
For more information about the supported USB devices, see the "Specification" section.
HL-T4000DW, MFC-9350CDW, MFC-T4500DW, MFC-T810W, MFC-T910DW, MFC-T920DW
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