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SCAN USPS SACK LABEL BARCODE: To scan USPS sack label barcode, you need equipment and software. Barcode scanner is required, compatible with Code 128 barcode used on sack label, and specialized software like Intelligent Mail Package Barcode. Position mail sack in front of scanner, aligning it with scanner's viewfinder. Press trigger button to activate the scanning process. Barcode should be positioned within scanner's viewfinder, calibrated, and level. PRINT OF USPS SACK LABEL BARCODE: To print a USPS sack label barcode, user need high-quality software, including a printer, USPS-approved labels, and specialized software like Postal One. Software generates unique barcode for mail sack based on origin, type of mail, and sack weight. Barcode is printed using specialized software, selecting appropriate size and format. Printer should be calibrated to print at correct size and spacing. MAXIMUM AND MINIMUM LENGTH OF USPS SACK LABEL BARCODE: *Minimum length of USPS sack label barcode is 31 characters. It has consisted of five elements: Origin ZIP Code, Destination ZIP Code, Mailer ID, Service Type ID, and Mailer-Assigned Routing Code. *USPS sack label barcode's maximum length is not explicitly defined by USPS, but is limited by capacity of barcode symbology used to encode data, which is modified version of Code 128 symbology. ADVANTAGES AND INTERNATIONAL USAGE OF UPSE BACODE: Advantages: *USPS sack label barcode is a convenient and efficient method for mail sorting. *It eliminates need for manual paperwork and allows employees to scan mail pieces for tracking information. *Barcode is easy to use and can be printed directly onto mail pieces, streamlining process. International usage: USPS sack label barcode is a unique barcode used by the USPS to track mail sacks in the mail processing system. Universal Postal Union (UPU) has established standards for tracking and monitoring the progress of international mail, ensuring all member countries.