Barcode printing.

I am using AX2012 and want to print the barcode from the system. I am using the retail module and setup each and every thing but the problem is printing the barcode with more characters how to overcome this.

I need to print 20 characters as the barcode text and then to scan it have any one face the same or did any thing like this in the system i would appreciate any help in this regards.

Thanks.