Brother DCP-7030 Software User's Manual page 88

Network Scanning (For models with built-in network)
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If you want to avoid receiving unwanted documents, enter a 4-digit PIN number in the Pin number and
Retype Pin number field. To send data to a PC protected by a PIN number, the LCD prompts you to
enter the PIN number before the document can be scanned and sent to the PC. (See Using the Scan
key on page 82.)
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