1) There was a feeling that it was possible to save a thousand and take the younger model lide-300, scanning with a resolution of 1200 dpi for my needs (old photos, documents, books) is clearly redundant, and 2400 is completely useless. 2) Save someone a couple of hours and a bunch of nerve cells. If Linux (in my case mint20) when you try to scan persistently tells you that "device busy" - remove the ippusbxd package and everything will be fine (I did). Let me quote here a blessed message from askubuntu. Com "For Ubuntu 20.04, this scanner does not work straight forward. The ippusbxd driver tries to get the USB device, and it locks it. In dmesg -w there is a line: usb 1- 11: usbfs: process 5756 (ippusbxd) did not claim interface 0 before use To resolve the problem: sudo apt remove ippusbxd and replug the scanner !"