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ZPL II Commands for RFID
^RR
11/14/2008 RFID Programming Guide 58978L-008 Rev. A
^RR
Specify RFID Retries for a Block
Description Use this command to change the number of times that the printer attempts to
read or write to a particular block of a single RFID tag. By default, the printer will attempt six
retries. This command is persistent and will be used in subsequent formats if not provided.
Format ^RRn
This table identifies the parameters for this format.
Important • This command is not supported by all printers or firmware. See Printer and
Firmware Compatibility on page 82 for the list of printers and firmware with which you can
use this command.
Note • This command’s function is different than the “number of labels” parameter in the
^RS command.
Parameters Details
n = number of retries Accepted Values: 0 to 10
Default Value: 0
Example 1 • This example sets read block retries to 5.
^XA
^FN1^RR5^RFR,H^FS
^HV1^FS
^XZ
Example 2 • This example sets write block retries to 2.
^XA
^RR2^RFW,H^FD1234^FS
^XZ