Epson make EcoTank inkjet printers ink tanks that you refill from a bottle, not cartridges. It's vastly better than ink cartridges, there's no comparison on price, convenience or environmental impact. The tanks and bottles hold vastly more ink than a cartridge does. The printers are roughly the same price as any inkjet printer. I do not work for Epson.
I have an ET-8550 at home. Considerably more expensive than a comparable non-tank printer, with a factor of two give or take. Without a deal I got, it would have been out of budget.
Compared to a Canon Pro-200, they break even was somehwere around 300 printed a4 photo mark if I remember my detailed calculation correctly (850 bucks for the Epson and 460 bucks for Canon).
But yes, I love that printer! Because as a person, I do not think like my busoness case, hence with the tank printer I do kot think about print costs, as the purchase price is gone and mentally accounted for.
I never compared the non photo-capable EcoTank and whatever canon calls their tank printers to the cartridge cousins so.
Glad you like your ET-8550! That's quite a high end, expensive printer. I have a much less expensive one, though, on reflection, I agree the initial purchase price is higher than cartridge ink jets.
There are only so many A3+ sized photoprinters on the market. Decent ones that is that don't suck at B/W printing. It, for me at least, came down to either the ET-8550 or the Canon Pro-200. Break-even was somewhere around 300 a4 photos, based on retail price for the printer. So initially, I was inclined to take the Canon one.
Then I got a decent deal on a ET-8550, and the peace of mind to not re-run ink costs everytike you print, plus the Epsons home office printer functions, closed that decision. And the Epson print quality is really good, even B/W, so far, with the right media setting and paper, no colour tints whatsoever (at least that I can see).