Compatible HP models: Color LaserJet: CM3530 MFP, CM3530 fs MFP, CP3525 dn, CP3525 n, CP3525 x Print important documents with the HP 504X/A 4-Color toner set. The high yield helps keep your office production high. Yields up to 10,500 pages per unit in black. Yields up to 7,000 pages per unit in color. Includes 1 cartridge each of black, cyan, magenta and yellow. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Helps Avoid Waste - Designed for extended use, helping reduce or eliminate material use and potentially save money. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.