Older firmware versions strictly utilized SMBv1 for "Scan to Folder" functionality. With modern IT security mandates disabling SMBv1 across networks, many iR 2425 units became unable to scan to shared folders.
The most secure way to update your imageRUNNER 2425 is directly through its network portal: 0;308;0;479; canon ir 2425 firmware download exclusive
Format a USB drive to if updating via the physical port. Older firmware versions strictly utilized SMBv1 for "Scan