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Error Message Cause Action
Unsupported security
information
(Authentication
method/Encryption
method). Confirm
supported security
mode and try again.
The security settings are incorrect. Confirm the security settings and try
again.
Unusable Device
An unusable device is inserted in the USB
port.
Remove the device. Turn the machine off
and on by unplugging the machine from
the AC power outlet, and then plugging
the machine in again.
USB Access Error
The USB flash drive was removed while it
was being accessed.
Insert the USB flash drive.
USB Hub Not Supported
A USB flash drive with a hub is inserted in
the USB port.
Remove the unsupported device from the
USB port.
USB Write-protected
The inserted USB flash drive is write-
protected.
Remove the write-protected USB flash
drive, press Close, and then do one of
the following:
• Turn off the USB flash drive’s write-
protection, and then try again.
• Use a USB flash drive that is not write-
protected.
Workflow not found
• Workflow was not created.
• Workflow was deleted.
• Workflow was not configured correctly.
Make sure that Workflow is created and
configured correctly in Brother
iPrint&Scan (for Windows and Mac).
See Related Information:Configure Scan
to Workflow Settings Using Brother
iPrint&Scan.
Wrong Network Key
The Network Key is incorrect. Confirm the Network Key and try again.
Wrong Password
The password entered in Setting Lock
was incorrect.
Enter the correct password. If you forgot
it, you must reset it.
See Related Information: Set or Change
the Setting Lock Password.
Related Information
• Troubleshooting
• Secure Function Lock 3.0
• Clean the Scanner and Rollers
• Replace the Pick Up Roller
• Replace the Separation Pad
• Set up a Scan to Network Profile
• Upload Scanned Data to an FTP Server
• Upload Scanned Data to a Mapped Network Drive (CIFS) Server
• Set up a Scan to FTP Profile
• Set up a Scan to SFTP Profile
• Set or Change the Setting Lock Password
• Document Jam
• Load Documents
• Card Jam
• Clean the Sensors
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