Online printers are convenient when you need to print documents, images and webpages off the Internet. They are used most often by writers who like to see the written page. Recipes are handy when printed using these devices. Receipts that are online can be printed out easily using these devices. Online printers create a good way to have physical copies of webpages, receipts, recipes and other documents. Online printing makes it easier to print out what is needed and leave the rest online.