Model discontinued. This page is no longer updated.

DCP-770CW

FAQs & Troubleshooting

FAQs & Troubleshooting
  • Date: 26/08/2009
  • ID: faq00002458_000

How do I clear the message "Unusable Device / Please Disconnect USB Device"?

This message will appear if a USB device or USB Flash memory drive that is not supported has been connected to the USB direct interface. 
This message will also appear if you connect a broken device to the USB direct interface.
Please check the following specifications of the supported USB Flash memory drive.


USB Class USB Mass Storage Class
Sub Class SCSI or SFF-8070i
Transfer Protocol BOT (Bulk transfer Only)
Format FAT12/FAT16/FAT32
*NTFS format is not supported.
Sector Size 512 Byte
Size 16MB - 8GB

 

Click here for a list of checked USB Flash memory drives.

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

DCP-135C, DCP-150C, DCP-153C, DCP-350C, DCP-353C, DCP-357C, DCP-560CN, DCP-770CW, MFC-235C, MFC-260C, MFC-465CN, MFC-680CN, MFC-885CW

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