From 2019 “ In Jefferson County, which also debuted its Dominion system, poll workers reported problems with Sharpie markers bleeding through the paper ballots and causing them to be rejected, according to chief clerk and elections director Karen Lupone.

It wasn’t happening in every precinct, but Lupone advised poll workers to stop using the markers in favor of black pens packed in their equipment bags as a backup in case the Sharpies ran dry or extras were needed.”

https://witf.org/2019/11/05/few-reports-of-problems-as-pa-counties-roll-out-new-voting-technology/