Fujitsu M3096GX Instruction Manual page 156

(2) When document size detection function is used
RELEASE UNIT
Initiator
RESERVE UNIT
OBJECT POSITION
Read command
(document size request)
SET WINDOW
SET SUBWINDOW
(If setting subwindows is required)
SEND
(Only if required)
SCAN (M3093DG only)
READ command sequence
See Section (3) for Read command sequence.
(OBJECT POSITION)
(Not required if ADF is not used)
(Not required if ADF is used, because document is unloaded automatically.)
RELEASE UNIT
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Release reserved status
Target
Move to reserved status
Load document from ADF
Report document size
(Horizontal scanning direction is effective)
f Set window parameters
f Calculate the number of scan lines covering all
windows set up, in terms of lines effective after
magnification change
Set subwindow parameters
Dither pattern download
Set simplex or duplex reading
Start scan and transfer
Unload document from ADF
Release reserved status