QYPrintVision Multi-Camera Edition 2.4.6.51 is on cncu under Smart Vision CCD Scanner Software for the 6090 flatbed: https://cncu.co.za/FlatPRINT-Flatbed-UV-Printer/Smart%20Vision%20CCD%20Scanner%20Software%20for%206090%20Flatbed%20Printer/
An installation-step guide is on the same FlatPRINT cncu folder. The software only runs if it can connect to the camera.