Did they do anything about the cartridges yet? Some printers detect when cartridges have been refilled by the user and are programmed to stop working then. Even at consumer level, the prices of a cartridge is criminal compared to a bottle of inkjet ink, with enough for many dozen refills.
Cartridge: $50
10 fl oz of printer ink: $12
I've found many startups are merely "investments" by some entrepreneur that were intended from inception, whether explicitly or not, to be grown to a sufficiently negotiable state and sold to the biggest buyer. That's not to say that big tech companies don't buy-out their competition, but many startups also dream of being bought-out.