Here is the product page for your Canon PIXMA MX 300 Office All-In-One Multifunction printer. Here you can find manuals, drivers and software for your printer.http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mx_series/pixma_mx300
A. Before downloading the drivers and software, click on the link below to find the easy set up instructions, quick start guide
and on-screen manual http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mx_series/pixma_mx300#BrochuresAndManuals
Download these first. You will also need adobe reader to read pdf files
Read the easy set up instructions and quick start guide. The on-screen manual is for after the printer is installed.
B. To download drivers and software, click on the link that reads drivers and software. It will load on the same page you are viewing. The first thing you will see is firmware upgrades and a dropdown menu to select your operating system. Click on the drop down menu and select your operating system.
1. Next you will see your printer driver and software . Create a folder on your desktop where you can download & save the software in that folder.
2. Download the following files: My Printer, MP Navigator EX, Solution Menu, Easy Photo Print
My printer is a useful utility that helps diagnose and repair printer issues, explains how to set paper size and troubleshoot problems with the printer.