Causes of Barcode and Label Content Defects • Printer issues such as ribbon wrinkle, end of ribbon life, mismatch of ribbon and label substrate, incorrect heat settings, clogged ink jets, label substrate defects, low resolution, etc. • Incorrect barcode design including wrong symbology type, mis-scaling, barcode dimensions, poor color contrast, quiet zone violations, incorrect data content, non-conformance to GS1 data structure, missing information