DCP-B7620DW(B)
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FAQs & Troubleshooting |
The message "Retry Updating by USB" or "Retry by USB" appears on the machine's LCD when the machine is turned on.
If you turn the machine off, or if there is power failure during a firmware update, the firmware will not be updated, and you will see this message when you turn the machine back on.
To clear the message and update the firmware, follow these steps: