Specifies two methodologies for the measurement of specific print quality attributes of two-dimensional bar code symbols printed within the requirements of Digital Postage Marks. One of these methodologies is applicable to multi-row bar code symbologies and the other to two-dimensional matrix symbologies. Defines methods for grading print quality attributes and deriving an overall assessment of symbol quality. In addition, it gives information on possible causes of deviation from optimum grades so as to assist users and postal operators in taking appropriate corrective action.
