Using a Raspberry PI as an AirPrint server

I’ve had my Brother HL2170W laser printer since January 2010, before AirPrint printers were really a thing. It’s been a solid printer and still has 90% of its second cartridge left. I’ve had an iPhone since around 2010 as well and I was under the mistaken impression that the two devices could never talk to each other. True, the devices are not directly compatible, but it is possible to use a Raspberry Pi as a mediator to have the two work together. Here’s a quick run down of how works in under four minutes: