Functionality: The device reset drum unit allows the reset of the 04 drum unit with a single click once infinite times, in numerous equipment of the cited models, ie a single device can reset the drum unit more than a million times and in more than one million pieces of equipment without the need for a chip or an exchange of the chips, being able to reuse them without having to remove from the Dum unit of the equipment, thus avoiding the loss of the guarantee, without the need for the reset device to be connected on the equipment.

In addition to resetting the drum units the reset when permanently connected to the equipment allows the use of the drum unit K (Black) instead of the Drum unit color, ie you can buy to put in the equipment only Drum unit k (black) instead of the drum unit color thus having a huge economy since the Drum unit K (black) is much cheaper than the drum unit color.