Ideal for small sign shops, quick printers, copy shops and print service providers that want to diversify and grow their businesses with durable outdoor and indoor applications. HP 831 Latex Printheads help your business grow further. Achieve high image quality on a wide substrate range and expand your outdoor and indoor application offering. Maintain efficient operation with easy, productive printing - and recycle[1].Compatible Printers: HP Latex 365, HP Latex 330 Series, HP Latex 360 Series, HP Latex 335, HP Latex 315, HP Latex 350, HP Latex 370, HP Latex 330, HP Latex 360, HP Latex 310, HP Latex 570, HP Latex 560