Change the authentication and encryption methods of the wireless access point/router. The available authentication methods vary depending on your Brother machine. See the manual for your machine.

ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port 9100, IPP, FTP Server, SNMPv1/v2c, HTTP Server, TFTP Client and Server, SMTP Client, ICMP, Web Services (Print) Uninstall and reinstall the Brother driver to set up the wireless (Wi-Fi) network connection again. If a network cable is connected to your machine, disconnect it and change the wireless setting of your machine to ON. If the wireless connection failed, the report will show the relevant error code to help resolve the issue.

If you do not know how to operate your WLAN access point/router using WPS, see the documentation provided with your WLAN access point/router, ask the manufacturer of your WLAN access point/router, or ask your network administrator. The Brother HL1212Wis afast, reliable monochrome printer for all your home or office printing needs. This device does not support a 5GHz SSID/ESSIDso you must select a 2.4 GHz SSID/ESSID. Make sure the access point/router is set to 2.4 GHz or2.4 GHz / 5 GHz mixed mode. If you want to connect with WPS, you must operate both your machine and the WLAN access point/router. Confirm the connection method for WPS on the WLAN access point/router and try starting again.

Confirm that only one WLAN access point/router within range has the WPS method active and try again. The Authentication/Encryption methods used by the selected wireless access point/router are not supported by your machine. Your computer may not be connected to the same Network Name (SSID) configured on your Brother machine. If the WLAN access point/router is set not to broadcast the SSID, the SSID will not automatically be detected. You will have to manually enter the SSID name.NDP, RA, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/ Port 9100, IPP, FTP Server, SNMPv1/v2c, HTTP Server, TFTP Client and Server, SMTP Client, ICMPv6, Web Services (Print) If your issue is not solved, the SSID ornetwork settings you entered may be incorrect. Confirm the wireless network settings.