I have a Brother MFC-L2700DW that uses AirPrint. When this devices is connected via WiFi, iOS clients in the same VLAN have no trouble connecting via AirPrint. When this printer is connected via...

@JRSPHD Can you clarify what this does? Filtering sounds like it would block the mDNS from the service VLAN?

ER605 v2.1.2 here. I set up an AP mDNS rule for Scanners and Printers Bonjour services from several client VLANs the service VLAN with the printer. Intent is for it to accept AirPrint activity. It...