To resolve the "Printing error, data error, please resend again" message on your KODAK STEP printer, follow these detailed steps:

1. Check Printer Power and Connectivity:
- Ensure that the printer is powered on.
- Verify that your printer is properly connected to your device (smartphone or tablet) via Bluetooth or the app.

2. Review the Image Size:
- Large image files can overwhelm the printer's memory. Check if the image you are trying to print is too large. If so, try resizing the image before printing - learn more.

3. Remove and Reload Paper:
- Take the paper out of the printer's tray, check for any jams or misalignments. Reload the paper carefully, ensuring it is aligned correctly. After this, try to print again.

You can also refer to additional troubleshooting provided here: learn more.

4. Check Cartridge Status:
- Make sure that the printer cartridge is properly installed and has enough ink. If the cartridge is low or empty, install a new one.

5. Restart Your Devices:
- Sometimes, simply restarting both your KODAK STEP printer and the connected device can resolve temporary connectivity issues.

6. Update the App:
- Ensure you are using the latest version of the KODAK STEP app on your smartphone. Outdated versions might not function properly with the printer.

7. Factory Reset (if necessary):
- If errors persist, consider performing a factory reset on your KODAK STEP printer. Instructions for this can usually be found in the user manual or support section of the KODAK website.

8. Contact Customer Support:
- If none of the above solutions work, it may be best to contact KODAK customer support via email at [email protected] or call them at 844-516-1539 for assistance - learn more.

By following these steps, you should be able to address the printing error and successfully print your images using the KODAK STEP printer.