| 7 | 6 | 5 | 4 | 3 |
| 2 | 1 | 0 |
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Byte 0 |
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| Operation code X©1D |
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1 |
| Logical unit number |
| PF | (Reserved) |
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2 |
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3 | (MSB) |
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| Parameter list length |
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4 |
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5 |
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| Control |
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a.PF (page format) : Byte 1 This scanner ignores PF.
b.SLFTST (self test) : Byte 1 This value is 1 on this scanner.
c.DO (device offline), UO (unit offline) : Byte 1 This scanner ignores DO and UO.
d.Parameter list length: Bytes 3 to 4
This scanner does not support parameter list length.
(2)Contents of self>test
The contents of self>test shall be an equivalent of NOP (Non Operation), provided that CHECK CONDITION is reported if error information is withheld in the unit.
(3)Response
This scanner reports as follows:
a.Normal
The GOOD status is returned.
f Status: B©00000 (GOOD)
f Sense key: X©0 (NO SENSE)
b.Abnormal
If error information is being withheld, the following status is returned:
f Status: B©00001 (CHECK CONDITION)
f Sense key: Error information being withheld
4 $ 35