Amazon.com: Printhead Replacement, QY6-0086 Single Black Printhead with Protective Cover, High Resolution Printheads Compatible for Canon iX6850 Series/Pixma MX720/Pixma MX920 : Office Products
Canon : PIXMA Manuals : MX720 series : What Is IJ Scan Utility (Scanner Software)?
Canon : PIXMA Manuals : MX720 series : Forwarding Scanned Data to the Computer Using the Operation Panel of the Machine