GC420/GK888 Printer Status Light Details and Solutions

Article ID: 06282105



Topic or Information

GC420/GK888 Series Printer Status Light Details

Applies To

GC420 and GK888 Series Printers


The status indicator light is located on the feed button and indicates the current status of the printer. Regardless of the color, this status light is on anytime the printer is on.

This solution is useful for:

  • Interpreting the status light

Symptoms addressed by this solution include:

  • solid green light
  • solid red light
  • solid orange light ( amber light )

The printer status indicator can be interpreted by reviewing the status indicator table.


User-added image

Error 1 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  Solid Green  The printer is on and in an idle state.

  • No action necessary 

Error 3  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  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  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  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   Flashing Red  The media is out.

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

Error 5   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>>
  • Assure the ribbon is fitting into the slots on the spindle hubs. If it is slipping or the hub is allowed to stall the printer will go into a ribbon out error

Error 5   Flashing Red  The printhead is open.

  • Close the top cover and then press the Feed button to resume printing. 
  • Make sure the printhead is latched on both sides

Error 6  Double Flash Green The printer is paused.

  • Press the Feed button to resume printing. 

Error 7   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    Alternate Green Red FLASH memory is not programmed.

  • Return the printer to an authorized reseller. 

Error 9     Red and Red Green The printhead or motor has had a critical failure.    

  • Return the printer to an authorized reseller.


Error 10     Red Amber Green The printer is defragmenting memory. (Do not shut the printer off during this cycle) 

  • Upon completing the defragmenting process the printer will return to printing or printer ready.


+ Product Codes

  • G-Series GC Desktop Printers
  • GC420d Desktop Printer
  • GC420t Desktop Printer