In conjunction with a memory card that can be quickly many prints or slides to scan, quality is satisfactory to it reaches old photos to archive all. After some time, it is more common that the scanned images are pixelated. Restarting and an empty SD card helped. Scanning via USB is however also takes too much time to complete as each image needs to be stored separately. The unit numbered consecutively on the SD card and you can rename the images even in hindsight or simply move into a suitably named folder.
