Filter
Top Products
4-57
4.7.2 Read sequence
The following illustration is an example of the command sequence used with this scanner. All commands
are assumed to be issued from a single initiator.
4.7.2.1 Read sequence for B&W mode
Initiator Target
(Not required if ADF is not used)
(See section 4.7.3 for the READ command sequence)
(Not required if ADF is not used)
(Not required if ADF is used because document is unloaded automatically)
4.7.3 READ command sequence
4.7.3.1 Single READ
READ command
Request image data (TL). Start scanning
(one page)
Command completion Send image data (TL).
Move to reserved statusRESERVE UNIT
- Set window parameters
- Calculate the number of scan
lines covering all windows set
up, in terms of lines effective
after magnification change
SET WINDOW
OBJECT POSITION
Unload document from ADF
OBJECT POSITION
OBJECT POSITION
Start scan/transfer
Release reserve state
READ command sequence
RELEASE UNIT