This HP E6B69-60003 Formatter is a great addition to your printer setup. It is compatible with HP printers M604, M605, and M606. The aspect of brand is HP and it is also compatible with HP printers. The MPN for this product is E6B69-60003. This formatter is a seller refurbished item that has been tested and verified to work like new. It is an essential part of your printer setup and can improve the overall functionality of your printer.