The Unibind XU338 binding machine can bind up to 24 documents at the same time and can hold three documents of the maximum 340 pages. The XU338 is always ready to use with no warming up time and each heat plate can be used independently. Simply put your document into the spine and place on the heat plate. When the light changes from red to green, move your document on the cooling plate and your document is done!. The XU338 is suitable for large businesses, print rooms and Universities.