HP 40A Black Compatible Ink Cartridge (51640A) (#40)
Compatible Black HP inkjet Catridge 51640 for use in Deskjet 1200C, COPYJET, M, Designjet 230, 250C, 330, 350C, 430, 450C, 455CA, 488CA, 650C
Replaces: 51640A, #40A
Rather than just replacing the most common components inside the cartridge, we REBUILD the entire laser toner with the highest grade toner, drum, wiper blade and other materials. A proven 15-step process is used to produce identical or superior quality to the original equipment manufacturer. Your satisfaction is Guaranteed 100 %.