Canon Knowledge Base - Replace ink cartridge(s) MX300
Canon PIXMA MX300 Support and Manuals
Canon Pixma MX300 Review: The Canon Pixma MX300 colour inkjet multifunction printer offers students and home-office users basic functionality for a low initial price. - PC World Business - Inkjet Printers -
PIXMA Printer Support - Download Drivers, Software, Manuals - Canon Europe
Canon Knowledge Base - Uninstalling / reinstalling the MX300 drivers (Mac OS X)