Inktoneram Compatible Toner Cartridges Replacement for HP 4600 641A C9720A C9721A C9722A C9723A LaserJet 4600n 4650 ([Black,Cyan,Magenta,Yellow],4-Pk) This package contains: 4 Inktoneram Replacement toner cartridges to replace HP 641A Toner Cartridges ( 1 Black, 1 Cyan, 1 Magenta, 1 Yellow ). (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : BLACK (C9720A), CYAN (C9721A), MAGENTA (C9723A), YELLOW (C9722A) Page Yield : 9,000 Pages / Black and 8,000 Pages / Color Cartridge at 5% coverage Printer Compatibility: HP Laserjet: 4600, 4600n, 4600dn, 4600dtn, 4600hdn, 4650, 4650n, 4650dn, 4650dtn, 4650hdn Warranty: Our Compatible Inktoneram Replacement toner cartridges to replace HP 641A 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 HP 641A cartridges come with a 90 day 100% money back guarantee.