HP Color LaserJet CE250X Black Print 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 With HP Colour Laserjet CM3530 Printer HP Colour Laserjet CP3520 Printer HP Colour Laserjet CP3525 Printer HP Colour Laserjet CP3525n Printer HP Colour Laserjet CP3525dn Printer HP Colour Laserjet CP3525x Printer HP Colour Laserjet CM3530fs Printer