Operators were presented with letters and typed in the postal code which was printed onto the letter as a barcode in fluorescent ink, the machine would then read the barcode and automatically route it sort it.
Operators were presented with letters and typed in the postal code, the machine would then read the barcode. This postal code was printed onto the letter as a barcode in fluorescent ink. Operators were presented with letters and typed in the postal code, the machine would then route it sort it. This postal code was printed onto the letter as a barcode in fluorescent ink.