: Access the 64-bit Printer Driver Ver. 2.05 for Windows 8.1 x64 and earlier via Canon Hong Kong.
: Download the iP2500 series Printer Driver Ver. 2.05 (8.80 MB) from Canon Asia.
: Download the CUPS Printer Driver Ver. 10.67.2.0 (11.21 MB), compatible with OS X 10.5 through 10.8, from Canon Singapore . Installation Instructions
: Only connect your Canon iP2500 via USB cable when the installer specifically prompts you to do so.
: Once finished, reboot your computer to ensure the driver is fully integrated. Compatibility Notes
: Agree to the license terms and click through the setup.
To download and install the driver, it is best to use the official Canon support pages to ensure you get the correct version for your operating system. Direct Download Links