Due to the nature of the design you no longer need to remove drum or developer units from the machine to fit some aftermarket chips. This reduces the work time and also prevents potential damage to the drums or developer units.No more inferior chips in particular TCR coil chips that can cause over/under toning so the equipment still operates within the manufacturers tolerances by using the original TCR coils and there is no evidence of tampering! A must for every engineers tool case! The item "Konica Minolta Bizhub Reset C220, C360, C224, C284, C364, C454, C554, C258, C368" is in sale since Tuesday, April 13, 2021. This item is in the category "Business, Office & Industrial\Office Equipment & Supplies\Copiers & Copier Supplies\Copier Parts & Accessories".kemp1976" and is located in Towcester, Northamptonshire. This item can be shipped to United Kingdom, European Union member countries.