The HP Officejet Pro 8620 Printer Driver is an all in one printer that is noted for its superior speed when it comes to printing documents of all types. The HP Officejet Pro 8620 Printer Driver has the ability to print documents on two sides of a sheet of paper and performs very quickly. this, combined with the fact that the HP Officejet Pro 8620 Printer Driver can also be used to scan, photocopy and fax documents makes it a great all rounder for offices of all sizes, although it may be a bit bulky for home offices.