The canon twain drivers is often the driver needed for digital cameras and scanners. The driver is sometimes used to import pictures into photo shop. If one of your canon products are missing this driver you can download if for free online. The canon twain driver was released in 2003. It was first released to work on the Windows 2000 and Windows 98SE operating systems. In November 2009 canon came
. out with a driver update tool. If you have the older version of the twain driver you can download the update tool to bring it current. You can find more information here: http://canon.officialdrivers.com/downloads/drivers/canon-device-drivers.html?gclid=CJ7D8ZHCsZ4CRaenAodyxZslg