When it starts to seem like your money is gone before you've spent it, you may want to take a little time to figure out how much it costs to use your home printer. It may cost more than you think. First, how many pages do you print every month? Believe it or not, it really is worth it to keep a "print journal".
When you know how many pages you print, you can figure out exactly how much your home printer is costing you. There's a great ISO standardized test that will help you figure out the average cost per page.
When you buy printer ink, you need to place a high priority on cartridge size, yield, and cost. As an example, you might find a cartridge that costs twenty-seven dollars and ninety-nine cents containing 21ml of black
