Compatible HP models: LaserJet Pro: M1530 Series 26PPM, M1536dnf, M1537dnf 26PPM, M1538dnf, M1539dnf, P1566, P1606dn 100% performance guaranteed This cartridge is designed, engineered and manufactured to meet or exceed OEM performance This product is manufactured in an ISO 9001:2000-certified facility Comparable to the HP 78A (CE278A) cartridge. Yields up to 2,100 pages. Greener choice - contains 90% postconsumer recycled content. High-quality results at a great price. Designed to meet or exceed OEM performance. Remanufactured - made from quality recovered cartridges, helping you save resources, reduce waste and potentially save money. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.