More from Amazon.com : http://www.amazon.com/gp/product/B000069LI0?tag=purrfectcatdi-20
HP Two-Sided Duplexer Printing Accessory for HP Inkjet Printers C8955AA2L
Permits printing on both sides of your paper
Compatible with a wide range of HP printers
Paper capacity up to 100 sheets or 20 cards
85-by-11-in maximum paper input size
1-year parts and labor warranty
