I've been wrestling with this all week, so I'll throw it up here for comment.
Brand new network.
Computer VLAN (102) is 10.0.2.0/24.
Printer VLAN (104) is 10.0.4.0/24.
Staff WiFi VLAN (120) is 10.0.20.0/24.
Firewall is Meraki MX250.
WiFi APs are all MR.
Switches are all MS.
What firewall rules should be added to make HP and Brother printers play nice in the network?
Printix is also in play.