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A.4 Commands
Appendix A-21
Table A.6 Commands
Command
Operation
code (hex)
Description
RESERVE UNIT 16 Declares the exclusive use of a logical unit
RELEASE UNIT 17 Cancels the declaration of the execlusive use of a logical
unit
INQUIRY 12 Examines the information regarding the target and logical
unit
REQUEST SENSE 03 Requests a target for sense data
SEND
DIAGNOSTIC
1D Requests a target for self-check
TEST UNIT READY 00 Checks whether or not a logical unit is ready
SET WINDOW 24 Sets a window
SET SUBWINDOW C0 Sets subwindows
SEND 2A Sends Dither Matrix
OBJECT POSITION 31 Controls the automatic document feeder
READ 28 Requests transfer of image data
MODE SELECT 15 Selects operating mode of the device.
MODE SENSE 1A Requests operating mode of the device.
SCAN 1B Requests the target begin a scan operation