Canon Service Support Tool SST Software V4 Review
| Feature | SST V3.x | SST V4 |
| :--- | :--- | :--- |
| Interface | Legacy Windows XP style | Modernized UI with better error logging |
| Printer Support | Up to imageRUNNER ADVANCE 2nd Gen | imageRUNNER ADVANCE 3rd/4th Gen, imageCLASS, Color imageRUNNER C series |
| Connection | USB, Parallel, Network (unstable) | USB, Network (stable), Wi-Fi (new) |
| Firmware Format | .dld files | .dld and encrypted .sst packages |
| OS Compatibility | Windows 7 (32/64) | Windows 10 & 11 (64-bit preferred) |
Because version 4.xx is legacy software, it is optimized for older Windows environments.