Problems with Scanning Ballots
Problems with the ES&S M-650 Scanner
Ballot machine noted for errors
Includes mention of problems with Zip drives. -- The Daily Republic, Mitchell, SD, June 23, 2012.
Lincoln, Sanders and Powell Counties in Montana -- June 2012.
Davison County election results in doubt "Extra ballots were added to the count, apparently by machine error." -- June, 2012.
Vote machine company holds off on machine inspection pending lawsuit outcome -- June 19, 2012
Problems with the ES&S DS200
EAC Certified System Technical Advisory
Overheated ES&S DS200 automates election, places 60K votes itself
Test it cool and the count will be perfect. Test it warm and the count will be nonsense ES&S then ran its own tests and concluded that if a machine is not cleaned correctly, it will lose its calibration once it warms up to working temperatures. The board must now let all 3000 machines run for several hours before test-balloting. -- May 2012.
Problems with ES&S M-100
from Ruth Johnson, Oakland County Clerk/Register of Deeds to EAC -- April 2011.