@shadow359 naps2 is especially useful when you run older devices, about 10 or more years old. I had looked into this once for a friend who had a pretty old HP scanner for which drivers were simply no longer available, and just recently we had a colleague here with a pretty old device as well ( Wie bekomme ich einen epson perfection 4490 Photo Scanner zum laufen? - #92 by LaGGGer ) —we’d already tried a few things in the thread—and it suddenly came back to me how it had helped my friend with her old device back then.—