I've got an Epson Ecotank ET-7750 and really like it. (I'm kind of partial to wide format printers because schematics printed on them are easier on the eyes).
That said, a really interesting startup would be an open source inkjet printer. (All the necessary patents have expired ones that are current revolve mostly around cartridges or cleaning systems). I suspect it is a kind of niche market as my kids tell me that "nobody prints things, we have it on our phone!" which I kind of understand, but point out you don't need multiple monitors to do code development if you have listing printed out :-).
ET-4750 here. So far (after ~two years) it has been great. We had one issue, but they repaired it quickly. But it's insanely cheap ink-wise and it's nice that we can use it to print both papers and photos. My only worry is long-time reliability, because it is very... plasticy.
I’ve had an ecotank since 2015 when they were first introduced. We’ve printed tens of thousands of pages. And I’ve probably spent less than $70 in ink. It’s on its last legs, and at the time it was an expensive purchase at $500, but we’ve gotten our money’s worth and we’ll be buying another ecotank soon.
> you don't need multiple monitors to do code development if you have listing printed out
Whenever I run into an especially intractable bug, one of the first techniques I attempt to use to solve it is to print out all the relevant source code and grab a conference room where I can lay it all out on the table.
That said, a really interesting startup would be an open source inkjet printer. (All the necessary patents have expired ones that are current revolve mostly around cartridges or cleaning systems). I suspect it is a kind of niche market as my kids tell me that "nobody prints things, we have it on our phone!" which I kind of understand, but point out you don't need multiple monitors to do code development if you have listing printed out :-).