Setting the backlight time on a Qln Series/ZT230 Printer

Article ID: 18534271



Topic or Information

How do I change the time the QLn or ZT200  Display Back Light is on?

Extending the time the backlight is on.

Applies To

QLn Mobile Printers

ZT230 Printer


QLn420 Printer

Backlight of QLn420 can be set via Control Panel by select the Tools icon in the menu and select “BACKLIGHT TIMEOUT” option to modify the ON time.


To set the Backlight timeout on QLn320, QLn220, and ZT200 Printer, you need to send the following SGD command 

!U1 setvar “display.backlight_on_time” “XX”

Note: The XX is a variable value that you to assign  it. Same as the QLn420, when time is set to 0, the backlight will keep on until you shut the printer off. (XX is in seconds)

User-added image

Additional Information

SGD (SetGetDo) details Read More>>

Sending commands to the printer using the Zebra Setup Utility Read More>>


Max Z



+ Product Codes

  • QLn Series Healthcare Mobile Printers
  • QLn Series Mobile Printers
  • QLn220 Healthcare
  • QLn220 Mobile Printer
  • QLn320 Healthcare
  • QLn320 Mobile Printer
  • QLn420 Mobile Printer
  • ZT200 Series Industrial Printers
  • ZT230 Industrial Printer