Changing your font settings while printing can help you save money in the long run. Whether you are making copies of your notes or sharing a hard copy of a document with someone, a printer consumes the ink from your cartridge. Depending on the efficiency of your printer, you might have to replace your cartridges often, but there's a trick that can help you lower your printing costs and give you more value out of your printer's cartridge - reducing the size of your font. Here's how to save up to 10 percent of the total amount of ink used, in the long run.