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HP is in the rent-a-printer business now
(www.theverge.com)
This is a most excellent place for technology news and articles.
When do the patents expire? Seems like 2D printers are relatively old technology by this point.
fax machines are the predecessor to 2d printers i guess
For example, a very important patent for any inkjet is the one where heads self clean, basically maintenance. Without that, an inkjet printer would be a pain to have.