I was wondering about that. I haven't printed anything work related at work or home for at least 5 years. Only seen PM's and scrum masters print at work. Or some developers who have to get signed time sheets.
Timesheets normally get done on Modays when everyone is in the office, for those that are required to do so. Some of our clients which we support remotely requires signed access request forms specifying details of request etc. , so it gets printed, filled in, scanned back , emailed to supervisor, printed, countersigned, scanned back and emailed back to the originator, who will submit to the client. Doesn't happen that often, and can probably be done by someone in the office, but the rule is if your working from home is negatively impacting on someone else's time, then work from the office

Every now and then specs need to be signed off (no digital signatures yet) , so applicable page(s) get printed , signed and passed on. There are better ways of doing this, but not there yet

. Bottomline is if you can't do everything you do in the office at home, then office it is.