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9
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5
4
1
Byte 0 Operation code ©X31π
2
3
Logical unit number
7 6 5 4 3 2 1 0
(Reserved)
(MSB)
(Count)
(LSB)
Control byte
(Reserved) Position type
a. Position type: byte 1
Specifies positioning functions
Bit 2 Bit 1 Bit 0 POSITION TYPE
0 0 0 Unload object
0 0 1 Load object
This scanner supports the unload object and load object functions only. If an
other value is specified, this scanner returns the following error information:
f Status: B©00001π (CHECK CONDITION)
f Sense key: X©5π (ILLEGAL REQUEST)
(a) Unload object
This scanner unloads a document from the ADF. If the ADF chuter does not
contain a document when this command is received, this scanner does not
generate an error but returns the GOOD status.
The unload object function is not vital to the scanner. After completion of
reading with the READ command, the scanner automatically unloads the
document.
(b) Load object
This scanner loads the document from the ADF paper chute. If a document
is already loaded in the ADF when this command is received, this scanner
does not generate an error but returns the GOOD status.
4 $ 65