The thing is, nothing is completely maintenance free, esp. if there's something mechanical. Make wearing parts wear, core parts robust. All my laser printers were Samsung/Xerox (hah), and their "core" is made like a tank. Only its rollers, toner and imaging/drum kits wear down, and these are already consumables.
The device keeps track the life of every of these replaceable components, and you replace them you hit these marks, because they're already worn down to hinder reliable operation (Imager dies at 9K pages, rollers at 20K pages IIRC).
You don't need to make things fail prematurely to make something profitable. First one of these printers didn't have replaceable rollers, so I had to donate it after 11 years of operation. This one is almost 8 years old IIRC, and it's still going strong. I'll be using it as long as I can find spares for it, because it's engineered "correctly", not "for profit". Meantime, its manufacturer can still profit from parts, toner and imaging units.
[sic] means "I copied the word as written in its original, and it was already written that way" [0].
The example I always go to is U-Haul in the US. They have a functional monopoly on quickly getting a pickup truck or small box car. I used to tell people there was no need to own a pickup truck because I could go grab one for $30 once or twice a month when I needed it.
After a year of shitty apps, constantly being sold things I didn't need because they try to secretly upsell you 50 times during checkout. Having to go into the store to get the keys and wait in line for 1 hour behind people screaming about how they were cheated... I bought a truck.
U-Hual still has their monopoly, but they lost my business, not because I went to a competitor, but because I altered my life to no longer need their business.
Maybe instead of buying eink tablets, I would have kept printing things had printers been better products.
Only problem is that everyone else also has figured that out so hard to secure one.
https://www.theverge.com/2024/3/14/24101023/ftc-doj-comment-...