Note: Internet connection is necessary for the application to communicate with our servers. Ensure your device has a stable connection before troubleshooting.
| This comprehensive troubleshooting guide covers the most common printer issues encountered with Zenput Labels. From connectivity problems to print quality issues, this article will walk you through step-by-step solutions to get your printer working properly. | 🔍 Navigate this article:
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Printer connected but not printing
If your printer shows as connected in Zenput Labels but nothing is printing, follow these steps:
| 1 | Ensure Labels app is updated to the latest version |
| 2 | Unpair/forget the printer from your device's saved/paired Bluetooth devices |
| 3 | Force close the Zenput Labels app |
| 4 | Turn the printer off by pressing and holding the power button for 8 seconds until all the printer's lights turn orange |
| 5 | Turn the printer back on and wait for the Left (diamond-shaped) status light to turn green and the Right (network icon) status light to turn red |
| 6 | Open Zenput Labels app |
| 7 | Press the refresh button located under the "Select Printer" section |
| 8 | Wait for the printer's name to appear above the refresh button (this may take 30 seconds) |
| 9 | Wait for the status message at the top to say "Connected" |
| 10 | Perform a smart calibration on the printer. View smart calibration guide |
| 11 | Reset the network settings on the printer. View reset guide |
| 12 | Restart your device and/or tablet |
| 13 | As a last resort, reset the network settings on the tablet you are using |
| 14 | If none of the above steps help, contact Zebra Customer Support as there may be a hardware issue with the printer. Contact Zebra Support |
Pause mode activated (orange/red light)
If the pause button is showing a solid orange or red light instead of green, the printer is in pause mode.
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Connection keeps dropping
If Zenput Labels is not staying connected to your printer, follow these steps:
| 1 | Uninstall and reinstall the Zenput Labels app to ensure you have the most up-to-date version |
| 2 | Ensure only one device is connected to the printer's BLE (Bluetooth Low Energy) |
| 3 | Restart the device running Zenput Labels |
| 4 | From Zenput Labels, click on 'Settings' and then on the bottom right-hand side click on 'Serial Printer' |
Printer stops printing
If your printer suddenly stops printing, try these solutions in order:
| 1 | Power cycle: Switch the printer off and back on |
| 2 | Reset to factory defaults: Hold down the single round button on the front panel. The indicator light will start a flash sequence (1, 1-2, 1-2-3, etc.). When it flashes 4 times, release the button |
| 3 | Label width calibration: Hold down the button until the light flashes 5 times, then release. The printer will print a series of widths, getting wider each time. When the printed width matches your label width, press the button once to lock it in |
| 4 | Run all calibrations: Hold down the single round button until it flashes twice, then release. This will run and print an automatic set of calibrations |
Misaligned printing / blank labels
If your printer is printing many blank labels or the printing seems misaligned, the yellow plastic alignment head likely needs adjustment.
How to adjust alignment via Zenput Labels:
- Go to the Settings page in the Zenput Labels app
- Press on Calibration and follow the on-screen instructions to manually align the printer
- If the printer prints 4-6 stickers at a time and then is off-center, check that the printer alignment control is correctly positioned
- Once adjusted, perform a smart calibration. View smart calibration guide
- Force quit and reopen the Zenput Labels app
Proper alignment head position: The yellow alignment control needs to be adjusted as shown in the image. This ensures labels feed correctly and printing is centered on each label. |
Labels printing light or illegible
If your labels are printing too light to read clearly, adjust the darkness settings:
Method 1: Hardware darkness switch
| On the back of the printer, you'll find a switch that controls print darkness. The left setting is lightest and the right setting is darkest. Try adjusting this switch to get the desired print darkness. |
Method 2: Manual darkness calibration
If adjusting the hardware switch doesn't work, perform a manual darkness calibration:
| 1 | Press and hold the "pause" button until all lights flash yellow, then release |
| 2 | The "status" (diamond in a square) light should turn yellow |
| 3 | Press the "feed" (middle) button twice |
| 4 | The "data" (folder with an arrow) light should be lit. If not, keep pressing "feed" until it lights up |
| 5 | Press "pause" |
| 6 | The printer will start printing labels slowly, one at a time, with increasing darkness levels |
| 7 | Once it prints a label with acceptable darkness (8.0 or 12.0 typically works well), press the "feed" button to save that setting |
Labels printing completely blank
If your labels are printing completely blank with no text or markings, this is typically caused by incorrect printer settings or label type:
Common fixes:
- Ensure the printer is set up for Direct Thermal printing mode
- Verify you are using the correct label type compatible with your printer
- Check that labels are loaded correctly with the print side facing the print head
Printing ingredient names only
If your labels are only printing ingredient names without other information, you have likely selected the incorrect label size in the Labels app. To fix this:
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Troubleshooting on Android devices
Android devices require specific Bluetooth scanning settings to work properly with Zenput Labels:
| 1 | Verify Bluetooth Scanning Settings: Exit the app, access your device settings, and search for "Bluetooth Scanning" |
| 2 | Toggle Bluetooth Scanning: Turn Bluetooth Scanning off and then back on, then restart your tablet |
| 3 | Reopen Zenput Labels: Launch the app, navigate to Settings, and tap the Refresh button |
| 4 | Confirm printer connection: Verify the serial number displayed in the app matches the serial number on the bottom of the printer, then select the printer |
| 5 | Test connectivity: Attempt to print labels to confirm the issue is resolved |
Login issues
If you're having trouble logging into the Zenput Labels app:
Login credentials: The login credentials for the Zenput Labels app are the same as your normal Zenput account credentials.
If you still can't log in after verifying your credentials:
- Contact your company's Zenput administrator to ensure the Zenput Labels feature has been enabled for your account
- Verify you're using the correct email address associated with your Zenput account
- Try resetting your password if you're unsure of your current credentials
How to reorder labels
| When you run out of labels, contact your company's Zenput administrator to reorder, or order labels directly from the Zenput Labels app. For detailed instructions, see: FAQ - Ordering labels within the Zenput Label app |
Contact support
Additional resources:
Zebra printer hardware support
For questions or problems with the Zebra printer hardware, choose the appropriate option below based on your printer's service contract (contact your company administrator if unsure):
| Option 1 No Zebra service contract or Barcodes True Support | Contact Zebra Support at (800) 653-5350 for tech support or repairs. If repairs are needed, contact Barcodes Inc. at (800) 351-9962 for discount repair pricing. |
| Option 2 Zebra Service Contract, no Barcodes True Support | Contact Zebra Support at (800) 653-5350 for tech support or repairs. If repairs are needed, contact Zebra for free repairs as part of your Service Contract. |
| Option 3 Zebra Service Contract and Barcodes True Support | Contact Barcodes True Support Line at 855-223-2921 for all tech support, setup questions, and to manage your Zebra Service contract for repairs. |
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