If you are looking to to its original factory settings or reinstall/reset the EOS Utility software on your computer, follow the steps below. 1. Resetting Canon EOS Camera Settings
: While these tools can often read the shutter count, resetting it to zero is typically impossible without replacing the physical shutter unit. reset eos efi software link download
you are trying to reset (a computer running Linux or a Canon camera) and what error If you are looking to to its original