Konica Minolta Magicolor 2500 2500W 2530DL 2550 2550DN 2550EN 2590MF Four Color Toner Refill Kit with Reset Chips. Refills 1710587-004, 1710587-003, 1710587-002 and 1710587-001 Toner is designed specifically to work in the Konica Minolta 1710587-004, 1710587-003, 1710587-002 and 1710587-001 toner cartridges for use in Konica Minolta Magicolor 2500, 2500W, 2530DL, 2550, 2550DN, 2550EN, 2590MF 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.