Epson TM-C3500 Series Developer's Manual page 34

Specifying and Printing True Type Font
Specify the following in character strings of barcodes/2-dimensional symbols and print.
True Type Font
Use Font Replacement to specify the selected True Type font.
Point
Separately specify the point for each font for barcodes/2-dimensional symbols. Check the
specified points of the fonts for barcodes/2-dimensional symbols.
(U"Barcodes/2-Dimensional Symbol Settings" on page 15)
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