A.4 Commands
If reserved value is specified, this scanner returns the following error information as follows:
∙ Status: | B’00001’ (CHECK CONDITION) |
∙ Sense key: X’5’ (ILLEGAL REQUEST)
(j)Bit per pixel: Byte 1A
Specifies the number of bits per pixel.
Simplex reading supports X’01’ and X’08’, so X’00’ and X’02’ to X’FF’ except for X’08’ are reserved.
Duplex reading supports only X’01’, X’00’ to X’FF’ except for X’01’ are reserved.
If reserved value is specified, this scanner returns the following error information as follows:
∙ Status: | B’00001’ (CHECK CONDITION) |
∙ Sense key: X’5’ (ILLEGAL REQUEST)
(k)Halftone type: Byte 1B
Value (Hex) | Halftone method |
|
|
00 | Default This scanner applies dither. |
|
|
01 | Dither |
|
|
02 | Error diffusion |
|
|
03 to FF | (Reserved) |
|
|
If reserved value is specified, this scanner returns the following error information as follows:
∙ Status: | B’00001’ (CHECK CONDITION) |
∙ Sense key: X’5’ (ILLEGAL REQUEST)
(k)Halftone Pattern: Byte 1C
Value (Hex) | Halftone pattern |
|
|
00 | Dither pattern 0 |
|
|
01 | Dither pattern 1 |
|
|
02 | Dither pattern 2 |
|
|
03 | Dither pattern 3 |
|
|
04 to 7F | (Reserved) |
|
|
80 to 87 | User |
|
|
88 to FF | (Reserved) |
|
|
Appendix