Save and print even more when you shop with LD Products! This offer includes 4 replacement toner cartridge replacements for HP 504X & 504A series: (1) CE250X High Yield Black, (1) CE251A Cyan, (1) CE253A Magenta and (1) CE252A Yellow. Why pay more for expensive brand name toner? For use in the following HP Printers: Color LaserJetCM3530, CM3530fs, CP3525, CP3525dn, CP3525n, CP3525x, CP3530 & LaserJetCM3530, CM3530fs, CP3525, CP3525dn, CP3525n, CP3525x, CP3530. Please note, retail packaging may vary, and these cartridges will only work with printers purchased within the United States and Canada. The use of replacement cartridges and supplies does not void your printers warranty. Professionally manufactured by LD Products. HP is a registered trademark of HP Inc. and is not affiliated with and does not endorse LD Products.