Canon Check Scanner
Cleaning Card Utility Software
Endorsement Ink and Dirt will cause poor check scan images. Check scanners need to be cleaned regularly to remove ink and dirt and other pollutants that cause scan errors
In order to use cleaning cards, Canon recommends that the following software utility be downloaded. With this utility, cleaning cards can be run through the scanner with out an image being produced.
Just click on the Canon scanner model that you have and it will direct you to the Canon link where the software utility can be downloaded.
Links