After a successful installation, restart your computer. Open to confirm that the Avasys ALP-204 is listed as active. Right-click the printer icon, select Printer Properties , and print a test page to verify that the baud rate, parity bits, and data flow control settings align perfectly with your connected hardware.

If you managed to download an older executable installer (like a .exe file meant for Windows 7 or XP), Windows 10 might block it. You can bypass this restriction using Compatibility Mode.

If Windows Update fails to find the driver, you can manually point Device Manager to a downloaded driver package. Right-click the and select Device Manager .