Inktoneram Compatible Toner Cartridges Replacement for HP 3800 501A 503A Q6470A Q7581A Q7583A Q7582A Color LaserJet 3800dn 3800dtn 3800n CP3505dn CP3505n CP3505x ([Black,Cyan,Magenta,Yellow], 4-Pack) This package contains: 4 Inktoneram Replacement toner cartridges to replace HP 3800 501A 503A 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 (Q6470A), CYAN (Q7581A), MAGENTA (Q7583A), YELLOW (Q7582A) Page Yield : 6,000 Pages / Black and 6,000 Pages / Color Cartridge at 5% coverage Printer Compatibility: :HP 3800 3800dn 3800dtn 3800n CP3505dn CP3505n CP3505x Warranty: Our Compatible Inktoneram Replacement toner cartridges to replace HP 501A 503A 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 501A 503A cartridges come with a 90 day 100% money back guarantee.