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PTP-II does not print the HRI characters around the 1D barcodes #15

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okarmazin opened this issue Sep 16, 2022 · 0 comments
Open

PTP-II does not print the HRI characters around the 1D barcodes #15

okarmazin opened this issue Sep 16, 2022 · 0 comments
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okarmazin commented Sep 16, 2022 •
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The printer correctly reserves the blank space at the specified HRI position - if instructed to do so - but does not actually print the digits in there.

Observed behavior so far:

  • EAN-13 and UPC-A: the reserved space is empty
  • EAN-8: "noise-like" structured dots printed instead of digits

We have to get back the Epson TM-P20 printer and investigate where the problem lies. If our implementation is correct, the Epson printer is guaranteed to print the HRI.

It is strongly suspected that the PTP-II printer firmware is just broken.
@okarmazin okarmazin added the bug Something isn't working label Sep 16, 2022
@okarmazin okarmazin changed the title PTP-II does not print the HRI characters around UPC-A PTP-II does not print the HRI characters around the 1D barcodes Sep 16, 2022
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