When you upgrade Lasernet Core 11, you must upgrade the Lasernet Printer Service on the print server.
Follow these steps:
Copy the new Lasernet Printer Service installer to the print server.
Uninstall the currently installed version of Lasernet Printer Service 11.
Run the installer for the new version.
Restart all Lasernet Printer Service services. If multiple printer services are running on the print server, there will be multiple services to restart. In the Windows Services window, these services are named
Lasernet Printer Service 11 (<Printer Service name>). Appropriately substitute<Printer Service name>. For example, Lasernet Printer Service 11 (UK Laser Printers).