Summary of the Scanner Commands
Five types of scanner commands are used with EPSON scanners. In addition, four control codes are used for handshaking. The five command types are:
Execution: | Requests the scanner to send |
| back data |
Data form definition: | Specifies the format of data to be |
| sent from the scanner |
Image definition: | Sets image modes |
Image processing: | Specifies any enhancement |
| processes to be used |
Auxiliary: | Helps control the scanner |
Execution commands
These commands obtain data from the scanner.
Request ID | ESC I |
Request status | ESC F |
Request extended status | ESC f |
Request condition | ESC S |
Start scanning | ESC G |
Data form definition commands
These commands specify the format of image data and data transfer.
Set color | ESC C |
Set data format | ESC D |
Set resolution | ESC R |
Set zoom | ESC H |
Set scanning area | ESC A |
Set data order | ESC K |