After the print server migration, you may have to update the print drivers for the poster printer. To do so, follow these steps.

  1. Open Printers & Scanners in Settings.
  2. Scroll down to find the poster printer. Click on it, then select Open Queue.
  3. In the window that pops up, go to Printer → Update Drivers and click on it.
  4. A security window should pop up, click Install Drivers. Windows may ask again if you want to trust the source of the download, click Yes.

You might see a window appear briefly as the driver updates, and then you should be able to use the printer