Scanner Interface
e)Number of resident dither patterns and number of registrable dither patterns: Byte 56
Indicates the number of internal dither patterns and the number of dither patterns that can be downloaded.
B'nnnnXXXX': Number of internal dither patters (upper 4 bits)
B'XXXXnnnn': Number of dither patterns that can be downloaded (lower 4 bits) The scanner returns X'48'.
f)Number of resident gamma patterns and number of registrable gamma patterns: Byte 57
B'nnnnXXXX': Number of internal gamma patterns (upper 4 bits)
B'XXXXnnnn': Number of gamma patterns that can be downloaded (lower 4 bits) The scanner returns X'38'.
g)Image processing function: Bytes 58 and 59 Indicates the supported image processing functions.
Byte | Bit | Description |
|
|
|
58 | 1XXXXXXX b | Black and white reversal |
| X1XXXXXX b | Automatic I (automatic monochrome: DTC) |
| XX1XXXXX b | Automatic II (simple automatic monochrome) |
| XXX1XXXX b | Edge detection |
| XXXX1XXX b | Edge highlighting |
| XXXXX1XX b | Image area separation |
| XXXXXX1X b | Mirror image |
| XXXXXXX1 b | Unique white level |
|
|
|
59 | 1XXXXXXX b | Subwindow |
| X1XXXXXX b | Error distribution |
| XX1XXXXX b | Reserved |
| XXX1XXXX b | Reserved |
| XXXX1XXX b | Reserved |
| XXXXX1XX b | Reserved |
| XXXXXX1X b | Reserved |
| XXXXXXX1 b | Reserved |
|
|
|
The scanner returns X'0140' if the image processing option is not installed. The scanner returns X'FFC0' if the image processing option is installed.
Appendix