Everyone knows that the big problem with printers and photocopiers is that they will often run dry just at the time when they are needed the most. But people no longer buy brand new cartridges to put in their machines, instead they buy ink refills and inkjet cartridges that they can handle all by themselves.For many years companies would give out false information and confuse owners with science which made them feel inadequate. But these days, and with the advent of do-it-yourself packs, printer owners have become brave enough to fill up their machines themselves.Not only is this far less time consuming, but it is very much cheaper in the long run. Because it is not necessary to have new cartridges every time the machine needs filling, the cost of the chemicals have gone down significantly. In the cost conscious world of today, this must be a good thing for anyone who has to save money.