privacy separator function

[La770]

I have a netgear AC1750 router,

I am trying to connect my Brother J6545DW printer wirelessly

the Brother printer finds the router, but the computer says the printer doesn't exist

tells me to disable the privacy separator function - 

how do I do that!

[FURRYe38]

Be sure the printer drivers are up to date and that the printer drivers are pointed to the correct IP address for the printer. 

Contact the printers Mfr for additional help and support regarding this.