Epson launches ET-3600, adding double-sided printing to its 3-in-1 cartridge-free printer Epson launches ET-3600, adding double-sided printing to its 3-in-1 cartridge-free printer Epson Blog Team2016-08-01T10:00:00+01:00Categories: Newsroom|Tags: 3-in-1, cartridge-free printer, EcoTank, et-3600, ink tank system|