Fujitsu M3097G Benutzerhandbuch
4.4.9
OBJECT POSITION command
The following table shows the normal sequence of the OBJECT POSITION
command when used with this scanner.
command when used with this scanner.
Step
Bus phase
Initiator operation
¨ Æ
Target operation
1
BUS FREE
Verifies bus free
2
ARBITRATION
Obtains bus>usage
right
right
3
SELECTION
Selects target
Æ
Drives BSY signal
4
MESSAGE OUT
Selects logical unit
Æ
5
COMMAND
Specifies OBJECT
POSITION (CDB)
POSITION (CDB)
Æ
Loads/unloads paper (ADF)
6
STATUS
¨
Reports GOOD status
7
MESSAGE IN
¨
Reports message (Command
Complete)
Complete)
Releases BSY signal
8
BUS FREE
(1)
OBJECT POSITION command: COMMAND phase (initiator Æ target)
The OBJECT POSITION command controls the sheets in the ADF. When the ADF
is used for reading, document sheets are loaded with this command before the
READ command is issued.
is used for reading, document sheets are loaded with this command before the
READ command is issued.
The CDB of this command is shown in the following illustration.
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