The cartridges and the toner for the professional computing industrial printers constitute a tipologia of refusal that, for the variety of materials of which plastic, metals, rubber) and the residual ones of chemical members are composed ((professional inks and toner), cover characteristic details of dangerousness. However, the cartridges inkjet and the toner for professional laser printers can be under way to procedures of recovery and reconstruction that, by means of the opportune substitution of the usurate parts and I reintegro of necessary the chemical members to the professional printing (inks and toner), concur to carry out ulterior cycles of I use. Thus making, from the side user a remarkable saving is obtained on the cost of supplying of the new cartridges (from a 25% till a 40% of the price), while from the point of view of the protection it acclimatizes is avoided them to introduce in the ecosystem an amount cospicua of biodegradable and insufficient rather polluting agents.