About the Imprinter

The ink cartridge for the imprinter that prints on scanned documents is installed in the following location.
 

 Preparing an Ink Cartridge
Use one of the following red, blue, or green HP ink cartridges.

Product Name: Ink Cartridge (Blue)
Product Code:  3693A002 (C6602B)

Product Name: Ink Cartridge (Red)
Product Code:  3693A003 (C6602R)

Product Name: Ink Cartridge (Green)
Product Code: 3693A004 (C6602G)