4.4.9
OBJECT POSITION command
The following table shows the normal sequence of the OBJECT POSITION
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
3
SELECTION
Selects target
Æ
Drives BSY signal
4
MESSAGE OUT
Selects logical unit
Æ
5
COMMAND
Specifies OBJECT
POSITION (CDB)
Æ
Loads/unloads paper (ADF)
6
STATUS
¨
Reports GOOD status
7
MESSAGE IN
¨
Reports message (Command
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.
The CDB of this command is shown in the following illustration.
4
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Summary of Contents for M3093DG
Page 1: ...M3096GX M3093GX M3093DG IMAGE SCANNER OEMMANUAL C150 E015 03EN ...
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Page 14: ...Figure 1 1 M3096GX Figure 1 2 M3093GX DG 1 2 ...
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Page 31: ...Figure 3 3 3 Power switch M3093DG 3 7 ...
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