You probably want to avoid using QR codes with MS Access, see my comments on it on my website here:-
Nifty Access Barcode Pagex Nifty Access Barcodes Home About Contact Barcodes Bar-codes along with a bar-code scanner can be a very useful feature to add to your database. You can quickly scan in serial numbers from mass deliveries of items / components. Bar codes are also very handy for managing...
www.niftyaccess.com
With regard to generating QR codes in MS Access, there have been several threads in access world forums about it, I particularly recall this long thread, the QR code discussion started Here:-
I have no printer but it prints fine as PDF. maybe add same to the Format event of the report: =Barcode_39([theHiddenTextboxName], [Report])
www.access-programmers.co.uk
I don't think it is possible yet, not without some sort of web interface. As I say on my website it's probably not the way to go, QR codes are for storing a lot of information, probably overkill with in MS Access.