Cartridges and paper rolls are the two most widely used printer consumables in Black Decker. Printer consumables like any other consumable materials are used over a period of time and need to be replaced or refilled after a certain period. Like printer cartridge will run out after printing a certain amount of paper. How long a consumable will last depends on the quantity of the product. Also the count of pages used in a printer may vary. Some printers have a fixed capacity of printing a certain number of papers every day. Along with the varying capacities of the printers the amount, quality and type of consumables also differ.