1. ZT231/ZT231R Industrial Printer User Guide
  2. Diagnostics and Troubleshooting
  3. Alert and Error States
  4. Indicator Lights
  • ZT231/ZT231R Industrial Printer User Guide
Indicator Lights
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Indicator Lights

The indicator lights located above the printer’s display also communicate the printer’s status.
Status of Printer As Shown by Indicator Lights
Indicator Lights
What they indicate
STATUS light steady green
STATUS light steady green (other lights steady yellow for 2 seconds during printer power-up).
The printer is ready.
PAUSE light steady yellow
PAUSE light steady yellow.
The printer is paused.
STATUS light steady red and SUPPLIES light steady red
STATUS light steady red.
SUPPLIES light steady red.
The media supply is out. The printer needs attention and cannot continue without user intervention.
STATUS light steady red and SUPPLIES light flashing red
STATUS light steady red.
SUPPLIES light flashing red.
The ribbon supply is out. The printer needs attention and cannot continue without user intervention.
STATUS light steady yellow and SUPPLIES light flashing yellow
STATUS light steady yellow.
SUPPLIES light flashing yellow.
The printer is in Direct Thermal mode, which does not require ribbon; however, ribbon is installed in the printer.
STATUS light steady red
STATUS light steady red.
PAUSE light steady yellow.
The printhead is open. The printer needs attention and cannot continue without user intervention.
STATUS light steady yellow
STATUS light steady yellow.
The printhead is over temperature.
The printhead may be hot and could cause severe burns. Allow the printhead to cool.
STATUS light flashing yellow
STATUS light flashing yellow.
Indicates one of the following:
  • The printhead is under temperature.
    This display message can be incorrect. The printhead may be hot and could cause severe burns. Allow the printhead to cool.
  • The main logic board (MLB) or power supply is over temperature.
STATUS, PAUSE and DATA lights steady red
STATUS light steady red.
PAUSE light steady red.
DATA light steady red.
The printhead was replaced with one that is not a genuine Zebra printhead. Install a genuine Zebra printhead to continue.
STATUS light flashing red
STATUS light flashing red.
The printer is unable to read the dpi setting of the printhead.
STATUS light flashing red
STATUS light steady red.
This indicates an error with the cutter. The cutter blade is in the media path.
The cutter blade is sharp. Do not touch or rub the blade with your fingers.
Printers with a ZebraNet wired Ethernet option
NETWORK light off
NETWORK light off.
No Ethernet link is available.
NETWORK light steady green
NETWORK light steady green.
A 100 Base-T link was found.
NETWORK light steady yellow
NETWORK light steady yellow.
A 10 Base-T link was found.
NETWORK light steady red
NETWORK light steady red.
An Ethernet error condition exists. The printer is not connected to your network.
Printers with a ZebraNet wireless option
NETWORK light off.
The light flashes red while the printer associates with the network.
The light then flashes yellow while the printer is authenticating with the network.
A radio was found during power-up. The printer is attempting to associate with the network.
NETWORK light steady green
NETWORK light steady green.
The radio is associated with your network and authenticated, and the WLAN signal is strong.
NETWORK light steady green
NETWORK light flashing green.
The radio is associated with your network and authenticated, but the WLAN signal is weak.
NETWORK light steady red
NETWORK light steady red.
A WLAN error condition exists. The printer is not connected to your network.