Hewlett Packard HP Color Laserjet CP3525 CP3525dn CP3525n CP3525x CM3530 CM3530fs Four Color Toner Refill Kit with Reset Chips. Refills CE250X, CE251A, CE252A and CE253A. Manufactured by Toner Eagle Toner is designed specifically to work in the Hewlett Packard CE250X, CE251A, CE252A and CE253A toner cartridges for use in HP CP3525, CP3525dn, CP3525n, CP3525x, CM3530, CM3530fs color laser printers. We test many toner samples from toner manufacturers. Most are rejected as they do not meet the look and specifications of the OEM toner. The toner we sell DOES match OEM toner! You will save up to 80% on the cost of your toner cartridges. Refilling your own toner cartridges is more environmentally friendly than buying new, compatible, or even remanufactured toner cartridges. We provide easy-to-follow instructions with photographs of the process. The process is so easy that most people do not need help. But if you do need help, we're just a phone call away! We guarantee that you will be happy with your purchase or we'll refund your money.