Brother HL-4040CDN - Manual (Page 29)

Configuring your printer for a wireless network (For HL-4070CDW)
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3
Network Key
3
There are some rules for each security method:
Open system/Shared key with WEP
This key is a 64-bit or 128-bit value that must be entered in an ASCII or hexadecimal format.
WPA-PSK/WPA2-PSK and TKIP or AES
Uses a Pre-Shared Key (PSK) that is more than 7 and less than 64 characters in length.
LEAP
Uses User ID and Password.
• User ID: less than 64 characters in length.
• Password: less than 32 characters in length.
64 (40) bit ASCII: Uses 5 text characters. e.g. “WLLAN” (this is case sensitive).
64 (40) bit hexadecimal: Uses 10 digits of hexadecimal data. e.g. “71f2234aba”
128 (104) bit ASCII: Uses 13 text characters. e.g. “Wirelesscomms” (this is case
sensitive)
128 (104) bit hexadecimal: Uses 26 digits of hexadecimal data. e.g.
“71f2234ab56cd709e5412aa2ba”