Compatible with machine model:
Konica Minolta C450i
Konica Minolta C550i
Konica Minolta C650i
Konica Minolta C750i
Compatible with cartridge part No:
DR618(K) Black Imaging Unit Drum Cartridge Reset Chip
DR618(YMC) Color Imaging Unit Drum Cartridge Reset Chip
If you purchase a set of chips, You will receive 1x DR618(K) AND 3X DR618(YMC)