Fujitsu M3096GX Instruction Manual page 141

(2) Window list data: DATA OUT phase (Initiator to Target)
The window list data parameter specifies the window ID for scanner reading. The
scanner supports the following.
a. Simplex reading specification
Transfer length = 1
Window list data
Byte 0 Window ID=0
b. Duplex reading specification
Transfer length = 2
Window list data
Window ID=0
Byte 0
1 Window ID=128
If any other combinations are specified, the following errors are returned:
- Status: B'00001' (Check condition)
- Sense key: X'5' (Illegal request)
(3) Operation
When the SCAN command is received, the reading method is defined for the
scanner.
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