I think this calls for a cheap open source printer to be made. Nothing complex is needed initially, just black and white with low running costs. In reality, any liquid that stains the paper of a given consistency should be fine. It shouldn't be costing this much to replace ink.
All you need to do is buy from a business that doesn't depend on fraud. Samsung make very nice and cheap black & white laser printers. I've bought two over the last few years, around $70. I see one on Amazon for $75 that has wifi printing as well), comes with a cartridge that lasted me 2-3 years and some thousands of pages, and replacement cartridges are $60 for branded ones, less than half that for generics. The pri…
http://www.bbc.co.uk/news/business-37337989
Looks like Samsung won't be making "very nice and cheap black & white laser printers" for much longer.