@Matt677 Home routers don't support VLANs except for an IPTV/VoIP services. If you you want to have different subnets in different VLANs the you should consider busness grade routers like ER605 -...

@AndyT You don't have to open any ports on your BE550 since the printer is in your LAN as well as the PC sending the printing request - double check that their LAN IP addresses are in the same...

@Sinahadayati This could be due to a cable issue, switch port issue or AX10 LAN port issue. So you could experiment by changing the AX10 LAN port or switch port where you plug the cable or the cable...

@Ramakrish85 This router model is an ISP provided device and that's the reason you can't find a firmware on the support portal. Usually the ISP that provided the device could help with that.

@Goblino Try resetting the router (hold the reset button for about 10 seconds). If ther's no improvement and the device is under warranty contact your retailer or your local support.

@alexkn Follow this troubleshooting guide on what you should do if you can't access the internet.