Far too often, computer users find themselves in a bind when they see the much-maligned error messages that alert them to their empty cartridges of ink. Whether for school assignments, business documents, or anything in between, printers are vital to those who have any level of reliance on computers; consequently, a lack of ink in printers is alarming to users, especially when time is of the essence. The lack of convenience that comes from buying printer ink can be the least of consumers' worries, as the exorbitant cost cannot be overlooked, so is it of principal importance that the correct cartridge is selected.Finding Your NeedsWhen ink runs out or begins to run low, the first thing that a user should do is recognize which type of cartridge, color or black, has come near the end of its l