Publishing Discs 32
n Barcodes and 2D codes use the ratio of black to white to indicate information. If ink
penetration results in a deterioration of the ratio of black to white, barcodes and 2D codes
may not be able to be read correctly. Check whether the printed barcodes and 2D codes can
be read correctly by a scanner.
n If a barcode printed with bidirectional printing cannot be read correctly, align the print head
and then print the barcode, or print the barcode with unidirectional printing.
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