epos

GS1 Prefixes

GS1 is the organisation which deals with retail barcode number range issuing; they publish a handy table showing prefix codes.

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ESC/POS control for customer display cursor

OK, so Epson’s support proved to be useless – “isn’t there a DIP switch on the back” and “we don’t do programming here” seemed to be the best they can offer.
Inspiration led me to lookup the ESC/POS sequences for cursor display – not DC2 & DC4 as previously though, they use the ASCII US (31 [...]

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