A: Not officially. However, SANE (Scanner Access Now Easy) has a beta driver for Fujitsu scanners. You will lose PaperStream features.
Yes. After the tedious installation, a new icon appears in your system tray: "Scanner Utility." This is the proof you have the full package. You can now: FULL- Download Driver Scanner Fujitsu Sp-1120
Performance post-driver: The scanner wakes instantly. Scan speeds hit the advertised 20ppm in black & white at 300dpi. Color slows to 15ppm, which is standard. The TWAIN driver is rock-stable in Photoshop and Acrobat. A: Not officially
Cause: You attached the USB cable before running the installer. Fix: Performance post-driver: The scanner wakes instantly