Also worth noting Brother uses that trick where empty cartridges are detected by a laser which is exactly not positioned as low on the cartridge as it could be, forcing people to toss not-so-empty cartridges.

BTW, regarding the trackers dots I’ll drop a link here for anyone who wants to verify Brother’s role in it:

https://www.eff.org/pages/list-printers-which-do-or-do-not-display-tracking-dots

Another reason to use inkjets: GHG footprint. Inkjets use far less energy than lasers. It’s a shame we have to choose between ecocide and tricks and traps.

The only no-compromise path I see is to pull an inkjet from the dumpster, fix it, and refill the cartridges with homemade “ink” from spent coffee grounds and tea.

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!smartphone_required@lemmy.sdf.org captures these kinds of cases. @FoxyFerengi@lemm.ee, if you know of any situations where your prof faced difficulty for not having a smartphone, consider posting about it there.