There was a time when they weren't digital, and it was enough to just "hit the big button".
More modern systems you often have to scan some employee card and navigate various screens before you can start.
Printers are are always a bit of pain, working out where the nearest one is - sometimes drivers don't work etc.
And yeah, in some places you really have to use the printer's control panel to find out the printer's IP address.
They ARE complicated and this is compounded by the fact that you almost never need to use one-- until you REALLY need to use one. At that point it becomes a race to print to the right printer (because they're almost never named in a logical way). Or worse, add a printer that the IT department installed months ago and you had ignored until you needed to use it. And finally, diagnose problems and fix jams which can be an interesting exercise with varying degrees of frustration depending on the model of the printer and its condition.