The latest of many problems converting my UPC symbols to line objects from Image Objects is a half pixel space between the grouped lines and the Symbol template that neither the spacing command or physically moving the group eliminates.
You didn’t really ask a question. And you didn’t explain how this was generated, so we can’t really offer any suggestions.
As Jim Rea noted, you didn’t offer much to go by, but “converting my UPC symbols to line objects from Image Objects” doesn’t sound like you’re using a bar code font. Why not? Wouldn’t that be far easier?