1. ZT231/ZT231R Industrial Printer User Guide
  2. Diagnostics and Troubleshooting
  3. Troubleshooting
  4. Miscellaneous Issues
  • ZT231/ZT231R Industrial Printer User Guide
Miscellaneous Issues
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Miscellaneous Issues

Issue
Possible Cause
Recommended Solution
The printer is prompting for a front panel password/PIN, but one was not set.
The front panel display can be locked, limiting access to the control panel parameters until the front panel password is entered. This value is initially undefined and must be set before it can be used.
For more information about the front panel password, refer to the Zebra Link-OS PrintSecure Printer Administration Guide.
Issues with the Display
The control panel display shows a language that I cannot read
The language parameter was changed through the control panel or a firmware command.
  1. On the Home screen, touch
    Menu
     (the icon on the bottom-left).
    Menu, Wizards, and Shortcuts buttons on the Home screen.
  2. Touch the top selection on the screen.
  3. Scroll through the language selections under this menu option. The selections for this parameter are displayed in the actual languages to make it easier for you to find one that you are able to read.
  4. Touch the language that you want to display to select it.
  5. Touch the
    Home
     icon to return to the Home screen.
The display is missing characters or parts of characters
The display may need replacing.
Call a service technician.
The USB Host Port Is Not Acknowledging a USB Device
The printer is not acknowledging a USB device or is not reading the files on a USB device that is plugged into the USB host port.
The printer currently supports USB drives only up to 1 TB in size.
Use a USB drive that is 1 TB or smaller.
The USB device may require its own external power.
If your USB device requires external power, make sure that it is plugged into a working power supply.
Printer Parameters Are Not Set As Expected
Changes in parameter settings did not take effect.
OR
Some parameters changed unexpectedly.
A firmware setting or command prevented the ability to change the parameter.
Check your label formats or the settings of the software that you use to send formats to the printer.
If necessary, refer to the Programming Guide for ZPL, ZBI, Set-Get-Do, Mirror, and WML or call a service technician. A copy of the manual is available at zebra.com/manuals.
A command in a label format changed the parameter back to the previous setting.
Calibration Issues
Auto Calibrate failed.
The media or ribbon is loaded incorrectly.
Ensure that the media and ribbon are loaded correctly. See Loading the Ribbon and Loading the Media.
The sensors could not detect the media or ribbon.
Calibrate the printer. See Calibrating the Ribbon and Media Sensors.
The sensors are dirty or positioned improperly.
Ensure that the sensors are clean and properly positioned.
The media type is set incorrectly.
Set the printer for the correct media type (gap/notch, continuous, or mark).
Non-continuous labels are being treated as continuous labels.
The printer was not calibrated for the media being used.
Calibrate the printer. See Calibrating the Ribbon and Media Sensors.
The printer is configured for continuous media.
Set the printer for the correct media type (gap/notch, continuous, or mark).
Printer Locks Up
All indicator lights are on, nothing is on the display, and the printer locks up.
Internal electronic or firmware failure.
Power cycle the printer. If the problem persists, call a service technician.
The printer locks up while booting up.
Main logic board failure.