HP Printer Cartridges : How to Refill Ink Cartridges in the HP 970CXI Printer
Cartridges for the HP 970CXI printer can be refilled in two very distinct methods. Refill the bladder of the black cartridge and the sponge of the colored cartridge in the HP 970CXI printer with help from an employee of an ink-filling station in this free video on HP printer cartridges.