One solution we found to the LPI plugging issue is:
 
STEP 1: Coat, tack, image, cure, then follow up with a UV cure one one side.
STEP 2: Repeat step 1 for the opposite side
 
Yes, this is somewhat time consuming; however, it has worked out great in the few exceptional jobs we needed to do this on.
 
I welcome all other reasonable solutions.
 
Thanks,
 
Franklin D Asbell