Zebra QLn420 User Manual download pdf (Page 16)

Summary of Firmware Release

V68.18.1Z

P1040502-017 03/24/2014

4 dot rows (~ 0.5mm) closer to top edge of the label. This is likely not visible to most users.

However, if this should not be the case the media.feed_skip parameter can be used to

compensate. To do so set the value to “9”, and this will add back the extra 4 dot rows removed

by the firmware. Since this parameter does not exist in earlier versions of firmware, adding

this setting to a configuration file would have no impact for those versions. Such a change

would allow for common registration behavior across firmware versions.

Potential Issue When Updating Firmware to V68.18.3Z

Updating printers that were initially built with firmware prior to this release may cause the

printer to feed a label on power up. Printers originally built with the V68.18.3Z re- lease will

not have this behavior. To correct this issue such that no feed is performed at power up send

the following commands (including CR/LF after each line) to the printer:

^XA^JUF^XZ

^XA^JUS^XZ

Note that this will reset the printer’s configuration. Any previously installed customer unique

configuration commands will need to be re-applied.

V68.18.1Z

Release Date: 7 June 2012

Enhancements

• Add support for 802.11 n radio, SKU QNx-xxNxxxxx-xx (US and CA only)

• Improved USB performance

• Improved 802.11 and Ethernet file download performance

• Printer no longer reboots when docked or undocked from Ethernet cradle

• SGD: added file.dir_format command, see details below

Issues Corrected

• CPCL: change ON-OUT-OF-PAPER default from PURGE 2 to PURGE 1

• CPCL: Performance degradation with large number of references to CPF fonts

• CPCL: DIR commands incorrectly lists files from the Z: drive

• Firmware update occasionally fails

• Mirror: FTP process very slow running on WS2008 IIS7 FTP v7.5

• Print: Printer feeds ~10 inches after a 2-key (should be 3 inches max)

• SGD: file.type adds double quotes at beginning and end of file data

• ZPL: ^JUA command sets inactivity timeout to incorrect default value

! U1 getvar "media.feed_skip"

! U1 setvar "media.feed_skip" "9"

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Zebra QLn420 User Manual Page 16