Inktoneram Compatible Toner Cartridge Replacement for HP Q3960A 122A Color LaserJet 2820 2830 2840 2550 2550L 2550Ln 2550n (Black) This package contains: 1 Inktoneram Replacement toner cartridges to replace HP Q3960A 122A Black Toner cartridge. (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : Q3960A. Page Yield :5,000 Pages / each cartridge at 5% coverage Printer Compatibility: : 2820 2830 2840 2550 2550L 2550Ln 2550n Warranty: Our Compatible Inktoneram Replacement toner cartridges to replace HP 122A 2550 cartridges are manufactured under strict ISO-9001 standards. They are excellent economical alternatives to the high-cost OEM toner cartridges. These cost-effective toner cartridges will provide high quality prints that meet OEM standards and are guaranteed against defect. Our compatible Replacement toner cartridges to replace 122A 2550 cartridges come with a 90 day 100% money back guarantee.