Primary definition
(opscan) The failure of an optical scanner to accept a physical BALLOT. A misfeed can be caused by misadjustment of the scanner or a defect in the itself (such as a crumpled BALLOT edge or SWELLING.
Also known asballot jam · paper jam · feed error · scanner misfeed · ballot misfeed · document misfeed · feeding failure
1 sources cited4 related termsReviewed Aug 9, 2026
— Electronic Voting GlossaryView source
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EVG
Carnegie Mellon University
(opscan) The failure of an optical scanner to accept a physical BALLOT. A misfeed can be caused by misadjustment of the scanner or a defect in the itself (such as a crumpled BALLOT edge or SWELLING.
Electronic Voting Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Misfeed. In Election Security Glossary. Retrieved August 16, 2026, from https://electionsecurityglossary.com/glossary/misfeed
Sources
1 cited · last checked Aug 9, 2026
01
Electronic Voting Glossary
Electronic Voting Glossary
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