Replaces the Following Manufacturer Numbers: HP CE250X (HP 504X). Compatible with the Following Printer Models: HP Color LaserJet CM3530, HP Color LaserJet CM3530FS, HP Color LaserJet CM3530MFP, HP Color LaserJet CP3525, HP Color LaserJet CP3525DN, HP Color LaserJet CP3525N, HP Color LaserJet CP3525X, HP Color LaserJet CP3530.