Data Type Codes: | 00h(Image), 80h(Pixel Size), |
| 81h(Detected Paper Information) |
The transfer data type distinguishes between the different types of data which may be transferred between the initiator and the target. The types of transfers are specified in Table 3.61. Data Type Code and Data Type Qualifier are commonly used with SEND command.
Table 3.61 Data Type Codes
Code | Description | Command |
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00h | Image | READ |
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01h | Vendor Specific |
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02h | Halftone Mask | SEND |
03h | Gamma Function | SEND |
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04h - 7Fh | Reserved |
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80h - FFh | Vendor specific |
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80h | Pixel Size | READ |
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81h | Detected Paper Information | READ |
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others | Reserved |
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Data Type Qualifier:
The data type qualifier field provides a means to differentiate data transfers of the same data type code. The values used in this field are vendor specific. This scanner uses this field for Image Data as follows.
Byte 4: Reserved
Byte 5: Window Identifier
Strictly speaking, SCAN command is used to specify Window Identifier but we used this field SCAN command can be omitted from scanning sequence.
For the other data type code, data type qualifier field is reserved.
INTERFACE
M3099GX/GH OEM Manual |