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Technical Snag: Ballot Printers in Tennessee County Malfunction

First reports of voting snags are coming in.

While voting was going smoothly in most places, a technical hiccup slowed voting at the polls in Wilson County, Tennessee, Tuesday morning.

Philip Warren, administrator of the Wilson County Election Commission, told NBC News that when polls opened Tuesday morning, the printers that print bar codes on ballots were not functioning properly.

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The county uses ExpressVote systems. When voters come in, they are given a customized ballot with a bar code. Because the printer wasn't working, they are having to enter that information manually. The actual voting machines are working, but the glitch is slowing down the process.

Warren said the printers were pre-tested and were fine, and it's not clear why they are not working now.

"We've got the backup and that's working," he said.