has anybody had any history running QR codes on coated stock 70# gloss on web press I have a job that the QR code is built in 4/c process 90%BLK 74%cyan 67%magenta and yellow my digital person says she cant change to 100% blk because embedded file or something its all greek to me when it comes to digital ......also the job will be running on a markII hanscho web press .....are the tolorances suppose to be very close on QR codes so they take you to the right website?????? and what are the tolorances????? thanks for your help.....steve