<Applicable models> MX340, MX350, MX870, MX360, MX410 , MX420, MX882 The software supporting Mac OS X Lion(10.7) for the above models and how to install them are shown below.
Error messages will appear when attempting to print if the printer driver is not configured to the correct port.Click on your model for instructions to set the printer driver to the correct port. MX350 MX410 MX420