Airprint problem with Router Mikrotik RB951

Hi,

i have a problem with router Mikrotik RB951

I have connect Mikrotik router con another Routher not Mikrotik( it is connect ISP for to have Internet).

i have a printer connect to Router with DCHP (192.168.1.X), when i connet my Iphone in WIFI with router Mikrotik ( DHCP 192.168,168,X), i dont see printer ( use AIRPRINT PROTOCOL).

I read in this forum that problem is broadcast in another subnet is not possible for mdns.

Can somebody help me ?

I have enable Muilticast Helper to FULL. But again don’t work.

I have to insert an role perphaps ?

Let me know.

Very Thanks in advance.

Best Regards