Zebra QLn420 User Manual download pdf (Page 16)

Summary of Firmware Release

V68.18.0Z

P1040502-015 05/09/2013

ZPL Override Command

A new suite of SGD parameters called device.override has been created. These are permanent

settings which indicate whether or not the specified ZPL commands are ignored. The intent is

to include the device.override commands in a start up file, to take effect on subsequent ZPL

commands sent to the printer via one of the communications interfaces. Only a small subset of

ZPL commands can be overridden, these are listed below. This feature is not supported for

CPCL commands. The following describes the specific SGD commands:

device.command_override.add: looks for a supported override command, and if

supported adds it to the override list. This is a setvar command only.

device.command_override.clear: clears the override list. This is a setvar

command only.

device.command_override.list: returns the list of ZPL commands to override.

This is a getvar command only.

Supported ZPL commands that can be overridden: ^MN and ^MM

Examples

Saving the 2-Key Report to a File

This feature is intended to facilitate interactions between the user and Zebra technical support.

Often a copy of the 2-key (configuration) report is required to debug a problem. Prior to this

feature the 2-key needed to be printed and scanned. With this feature the report can now be

saved to a text file on the printer’s flash memory, copied to a local PC using the Zebra Setup

Utility (ZSU), and then emailed. To generate the report send the following command to the

printer using the “Open Communication With Printer” menu in the ZSU:

To retrieve the file send the following command:

This will display the results in the receive window. On the File menu of the ZSU, select Export

Received Data, and save to a file on your PC.

! U1 setvar "device.command _ override.add" "^MN"

! U1 setvar "device.command _ override.add" "^MM"

! U1 setvar "device.command _ override.clear" ""

! U1 getvar "device.command _ override.list"

! U1 do "device.save _ 2key" "now"

! U1 do "file.type" "2key.txt"

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Zebra QLn420 User Manual Page 16