I barely use my printer, but here's some anecdotal evidence of why I still have one:
- I printed out my COVID vaccine certificates and lateral flow test proof to get entry to a club, because it's in an area of the city with poor mobile reception and I wanted to make sure I could get in without any faff
- I printed out my D&D DM notes because having six sheets of paper spread out in front of you is like having three extra monitors (on top of the laptop and tablet I was already using)
- I printed out my teaching notes for a series of drumming workshops, because the workshop venue is underground and has no reception, plus it's easier to read notes in big print while you're teaching instead of having to squint at a screen. I also printed a stack of individual handouts (simple sheet music for what they'd be playing) for attendees.
- I printed out a form to sign for my financial advisor, who doesn't seem to use digital signing
- My partner printed out a sign to stick up behind him at an event
Honestly I could probably get by just using my office laser printer, but it's very convenient having one at home.