All I can suggest you do is submit representations based on what happened, and see what they reply with. It is very unlikely indeed that they will cancel either of the PCNs, from receipt of an informal challenge.
If you wait for the Notices to Owner, and submit the reps again, they will be reconsidered probably in more detail, but against you is council greed for money. Certainly you only have good will for the first PCN. As for the mis-printing, you should mention it in your reps. I have to say I don't have much experience of mis-printed PCNs, yours is almost readable, but we've seen some much worse. Reps for the second PCN should certainly be for it being a continuous contravention.
Probably best to wait a bit to see if anybody else contributes anything I haven't covered incl the misprinted PCN, but don't miss PCN deadlines. They will serve Notices to Owner to the name an address on the V5C Registration Certificate if nothing is done about the PCNs. Is the owner you ?