> "it's hard to put replaceable printheads with reliable plumbing into a low-end mechanism" Isn't that exactly what HP is doing now when they sell a cheap prin

> "it's hard to put replaceable printheads with reliable plumbing into a low-end mechanism" Isn't that exactly what HP is doing now when they sell a cheap printer with replaceable cartridges that contain ink and a print head? Are you saying the "plumbing" is the difficult part? I suspect "economics" in this case means they weren't making huge margins on ink cartridges.