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A.3.3
Command
Commands sent from the host machine to the scanner are as listed in Table A.3.2.
Command name
CLEAR
CONTROL
IMAGE *
CONTROL
SUB WINDOW
CONTROL *
START
READ
SENSE
RETURN SENSE
IMAGE MODE
SENSE
SEND DITHER1
SEND DITHER2
INQUIRY
INQUIRY2
*: Effective if image processing circuit (IPC-2D or IPC-3D option) is mounted
Table A.3.2 Commands
Command
code
This command initializes the scanner.
44
This command can be issued at any time.
This command sets the operation mode of the
58
scanner and the operation mode in the main
window.
This command sets the image processing mode of
5A
the scanner.
This command sets the subwindow attribute of the
5C
scanner.
This command reports the size of a document to
53
be read.
This command starts reading. The scanner starts
54
reading according to the operation mode set
previously.
41
This command requests a scanner status report.
This command requests a status report on the
42
return of the flatbed scan.
This command requests a status report of the
image processing mode of each main window and
43
the number of pixels (in units of a byte) per line in
the X-direction.
This command transfers the dither and overlay
46
patterns.
This command transfers the dither, γ curve, or
47
overlay patterns.
This command requests a device information
40
report.
This command requests additional device
4A
information report
A.3 Commands and Response
Details
Appendix A-19
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