A. 1. Check for interference: Ensure there are no obstructions or interference between the pen and the device's camera.
2. Adjust drawing speed: Try drawing more slowly to see if it reduces the occurrence of random lines.
B. 3. Clean the pen tip: Make sure the tip of the pen is clean and not damaged, as this can affect its performance.
4. Restart the app: Sometimes, a simple restart can help resolve temporary glitches.