| Symptom | Likely Fix | |---------|-------------| | Scanner not detected | Reinstall driver, change USB port, reboot | | TWAIN not showing in app | Use 32-bit app (Photoshop 32-bit) or reinstall TWAIN driver | | Image crooked/noisy | Adjust PaperStream IP settings – not a driver bug | | MacOS "no device" | Allow Scanner in Security & Privacy → Privacy → USB |

→ https://www.fujitsu.com/global/products/computing/peripheral/scanners/drivers/ (Look under fi Series → fi-8170 )

(US / EMEA / Asia) – select your country on the support site.