If you are encountering color cast issues during the printing process of a UV printer, there are several steps that you can take to troubleshoot and resolve the problem:
1. Check the ink:
Ensure that you are using high-quality, manufacturer-recommended ink. Different inks have different pigment ratios, which can affect the printed colors. Using the manufacturer’s original ink or the designated ink can help prevent head obstruction and ensure accurate color reproduction.
2. Check the printout software:
If you are using pirated software, the color may not be accurately restored, leading to color cast problems. Make sure you are using genuine software and that the data being transmitted to the UV printer is accurate.

3. Check the printer accuracy:
Low-precision printing may result in unclear and less delicate image quality, affecting the printed colors. Select a UV printer with high accuracy and choose nozzles with different precisions based on your requirements.
4. Calibrate the printer:
Use a calibration tool to calibrate the printer and ensure that it is producing accurate colors.
5. Adjust the color settings:
If the above steps do not resolve the issue, try adjusting the color settings in the printer driver or software to see if this improves color reproduction.
By following these steps, you should be able to identify and resolve any color cast issues you are experiencing with your UV printer.