See about replacing the network card on the printer, or updating its firmware. Newer firmwares frequently support Bonjour, and have various security updates.
Replaceable NIC in printers are pretty great, especially when you can buy them for 1/10th of original cost on the used market.
Replaceable NIC in printers are pretty great, especially when you can buy them for 1/10th of original cost on the used market.