Serialized Fields Not Filling in Field Number (^FN) on RFID Printer

Article ID: 18076187



Topic or Information

RFID printer not correctly reading tags when serializing a stored format

Applies To

Zebra RFID Enabled Printers


When printing a format with a print quantity (^PQ) greater than one with serialized fields(^SF), the matching field number (^FN) is not filled in.

The result would be the expected data is not written or returned to the host, depending how the ZPL is formatted to use the field number data. i.e:


The solution is to upgrade to the latest firmware available on the product support page on

The fix was put in the following versions of firmware:

R110xi  & R170Xi - ZR60_13_0_13ZE

R110Pax4 - ZR62_13_0_13ZB

R110Xi HF - ZR65_13_13ZA

RPAX EU (EMEA) ZR63_13_0_13ZC

+ Product Codes

  • All Surface RFID Label Solution
  • R110Xi4 RFID Printer
  • RFID Printers
  • RP4T RFID Printers
  • RP4T RFID Printers
  • ZD500R RFID Printers
  • ZD500R RFID Printers
  • ZE500R RFID Print Engine
  • ZE500R RFID Print Engine
  • ZT400 Series RFID Printers
  • ZT410 RFID Industrial Printer
  • ZT420 RFID Industrial Printer