HP has told printer cartridge remanufacturers around the world they need to stop confusing consumers.
Kodak and ink manufacturers Collins Ink are back in court, again.
Prisoners are taught to remanufacture printer cartridges for the government.
HP says many smart chips used in aftermarket printer cartridges are infringing intellectual property.
Analysts say the printer market is looking better.
A large Chinese remanufacturer takes its US customers to meet with customs authorities.
Designers are now looking at how they can improve a home or office printer.
Ink factory came up with the black and colour prototypes, which work in a Kodak printer. At this stage, the project is just an experiment, but Ink Factory has proved 3D printing provides new opportunities.
Countless hundreds of thousands of cartridge refillers sit on street corners all over the country. Some estimate that combined, refilled cartridges take up almost half of the market share in the country.