Compatible with machine model:
Konica Minolta Bizhub C220
Konica Minolta Bizhub C280
Konica Minolta Bizhub C360
Konica Minolta Bizhub C7722
Konica Minolta Bizhub C7728
Konica Minolta Aurora ADC288
Konica Minolta Aurora ADC368
Compatible with cartridge part No:
DR311(K) Black Imaging Unit Drum Cartridge Reset Chip
DR311(YMC) Color Imaging Unit Drum Cartridge Reset Chip
If you purchase a set of chips, You will receive 1x DR311(K) AND 3X DR311(YMC)