Genuine Office King Black Ink Cartridge, C1823D-COM, designed to get the best results from your printer. Using 19 years of experience Office King cartridges are have been specifically engineered for reliable, trouble-free performance.FOR USE IN: Encad Nova Jet Pro 3 Encad Nova Jet Pro 840 Encad Nova Jet Pro II HP Design Jet 200 HP Design Jet 220 HP Design Jet 600 HP Desk Jet HP Desk Jet 400 HP Desk Jet 400L HP Desk Jet 420C HP Desk Jet 500 HP Desk Jet 500C HP Desk Jet 520 HP Desk Jet 540 HP Desk Jet 550C HP Desk Jet 560C HP Desk Jet Plus HP Desk Writer HP Desk Writer 500C HP Desk Writer 520 HP Desk Writer 540C HP Desk Writer 550C HP Desk Writer 560C HP Desk Writer C HP Fax 900 HP Fax 950 HP Office Jet 350 HP Office Jet LX Panasonic Panafax UF-E1 Sharp FO-3700 Sharp UX-350