Inktoneram Compatible Toner Cartridges Replacement for HP 2550 122A Q3960A Q3961A Q3963A Q3962A Color LaserJet 2550 2820 2830 2840 2550 2550L 2550Ln 2550n ([Black,Cyan,Magenta,Yellow], 4-Pack) s This package contains: 4 Inktoneram Replacement toner cartridges to replace 2550 122A Toner Cartridges ( 1 Black HP Q3960A , 1 Cyan Q3961A, 1 Magenta Q3963A, 1 Yellow Q3962A ). (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : BLACK (Q3960A), CYAN (Q3961A), MAGENTA (Q3963A), YELLOW (Q3962A) Page Yield : 5,000 Pages / Black and 4,000 Pages / Color 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.