To resolve the HP Print Service Plugin not working error, start by ensuring your device and printer are on the same Wi-Fi network. Update the plugin through the Google Play Store to the latest version. Clear the app’s cache in your device settings to remove potential glitches. Restart your printer, mobile device, and Wi-Fi router to refresh connections. Verify that your printer is sup... https://123hp-setup-com.us/blog/hp-print-service-plugin/