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Professional Labelling & Printing Solutions

Zebra GK420D Status Lights

GK-Series Printer Status Light Details - Applies To Zebra GK420d

Zebra GK420D Status LightsThe status indicator light is located on the feed button and indicates the current status of the printer. Regardless of the colour, this status light is on anytime the printer is on.
More information can be found by downloading the Zebra GK420D Manual.

This solution is useful for:

  • Interpreting the status light colours and patterns, such as flashing red light, solid green light, solid red light and solid orange/amber light.

Error 1 Zebra GK420D Light Off The LED is off - The printer is not receiving power.

  • Have you turned on the printer power?
  • Check power connections from the wall outlet to the power supply, and from the power supply to the printer.
  • Disconnect the printer from the wall outlet for 30 seconds and then reconnect the printer to the wall outlet.

Error 2 Zebra GK420D Green Light Solid Green - The printer is on and in an idle state.

  • No action necessary

Error 3 Zebra GK420D Amber Light Solid Amber - The printer has failed its power on self test (POST).

  • If this error occurs right after you turn on the printer, contact an authorized reseller for assistance. When the printer is operating normally, the printer status light will be amber for about 10 seconds before turning green (solid or blinking).

Error 3 Zebra GK420D Amber Light Solid Amber - There is a memory error.

  • If this error occurs after you have been printing, turn the printer power off and on, and then resume printing.

Error 3 Zebra GK420D Amber Light Solid Amber - The printhead needs to cool down.

  • If this error continues, turn the printer power off for five minutes or more, and then turn on. If the amber light persists, then the printer requires service.

Error 4 Zebra GK420D Flashing Green Light Flashing Green - The printer is receiving data.

  • As soon as all of the data has been received, the status LED will turn green and the printer will automatically resume operation.

Error 5 Zebra GK420D Flashing Red Light Flashing Red - The media is out.

  • Follow the instructions for Loading Roll Media , and then press the Feed button to resume printing.
  • Calibrate the printer.

Error 5 Zebra GK420D Flashing Red Light Flashing Red - The ribbon is out. (Does not apply to Direct Thermal models)

  • The printer has sensed the end of the ribbon roll. Replace the ribbon. Read More>>

Error 5 Zebra GK420D Flashing Red Light Flashing Red - The printhead is open.

  • Close the top cover and then press the Feed button to resume printing.

Error 6 Zebra GK420D Flashing Green Light Zebra GK420D Flashing Green Light Double Flash Green - The printer is paused.

  • Press the Feed button to resume printing.

Error 7 Zebra GK420D Flashing Amber Light Flashing Amber - The printhead is over temperature.

  • Printing will stop until the printhead cools to an acceptable printing temperature. When it does, the printer will automatically resume operation.

Error 8 Zebra GK420D Flashing Green Light Zebra GK420D Flashing Red Light Alternate Green Red - FLASH memory is not programmed.

  • Return the printer to an authorised Zebra partner.

Error 9 Zebra GK420D Flashing Red Light Zebra GK420D Flashing Green Light Red and Red Green - The printhead or motor has had a critical failure.

  • Return the printer to your authorised Zebra partner.