If you purchase a brand new printer, it normally comes with the ink cartridges and user’s manual. You can obtain the ink separately if you need an additional unit. It's also possible to find different accessories available for Small Laptop Printer such as USB cables, photo papers and more. In case this product is not available, there are also alternative brand that provides the same kind of printers such as Cannon and Polaroid.
Even though they are portable, you still need determine how heavy they should be. Choose one that is light weight and easy to carry. Most online sites feature product description detailing the weight and specifications of a certain brand or model. Take this opportunity to find the one that best suits your preferences. A small portable laptop printer that you can easily place on your carry-on luggage would be an ideal choice.