Fujitsu fi-6230Z is no longer supported by the manufacture but it is a high quality scanner that if operational, is still usable today with the drivers below.
FUJITSU TWAIN32 Driver
File: Ft9l18gX1.exe
b708cfd335a22aba1240f6ea9f29a050b5d118184cb76b9696cc20d675b57369
FUJITSU ISIS Driver
File: iX-2_1_11210_4001m.exe
aa0c7c0c050e2b595d44468f94e10fd17eb37d4ac894f6c6ec3f73ec50a83a7c