Ideal for general office black-and-white and colour printing and in-house marketing printing. HP 504X Black LaserJet Toner Cartridges with improved HP ColorSphere toner provide fast, professional results. Get reliable, consistent performance from everyday documents to marketing materials, and time-saving supplies management features.Compatible Printers: HP Color LaserJet CP 3525 Series, HP Color LaserJet CP 3520 Series, HP Color LaserJet CP 3525 N, HP Color LaserJet CP 3525 DN, HP Color LaserJet CP 3525, HP Color LaserJet CM 3530 FS MFP, HP Color LaserJet CM 3530 MFP, HP Color LaserJet CP 3525 X, HP Color LaserJet CM 3500 Series
