https://www.sos.texas.gov/elections/laws/jan2019_dominion.shtml

poor resolution on the scanner also failed to pick up some of the printed wording on the ballots. In a follow-up, the vendor stated that only black Sharpie markers should be used for marking the ballots; however, when the black sharpie was used during testing, it did, on a few occasions, bleed through to the back side of the two-sided ballot in such a way that it could confuse the ballot scanner or kick the ballot out.

Other stuff

Some of the hardware in the Democracy 5.5 System can be connected to the internet,

the secrecy of the ballot may be compromised by remembering the order in which voters used the ICX in comparison to the VVPAT tape

The ICX machines had a problem with straight party voting in that the deselection of the straight party choice on a single race eventually leads to the deselection of all of the other straight party selections