Simplyitem Non-Oem set 5K each Color Toner Refill + Chips for Konica Minolta Magicolor 3730 3730dn Cartridges compatible: A0WG02F, A0WG0JF, A0WG0DF, A0WG07F Brand new factory sealed Compatible toner refill kit with 4 reset chips. Made in USA toner powder Easy follow instruction, Video instruction also available 90 days money back guarantee