250 sheet universal paper cassette, optional Tray 3 for HP LaserJet 2100 / 2200 / 2300 (comes standard with the LaserJet 2100TN and LaserJet 2200DT) This universal paper tray holds the same media sizes as the printer's tray 2 (letter, executive, legal, A4, A5, B5 (ISO), B5 (JIS) and 8.5 X 13 inch - Handles paper weights of 16-28 lbs.). Load each with a different size for versatility. Just stack the 2100 Printer right on top of this tray and you have 250 sheets of extra paper to work with.