Epson ES-1000C Reference Manual page 107

ESC G
Format:
Command:ASCII:
Parameter:
Handshaking:
The handshaking procedures are different for the monochrome mode,
color page sequence mode, color line sequence, and color byte
sequence mode. See Chapter 2 for more details on handshaking.
Monochrome mode (one time scanning)
Monochrome image data is sent as a page. When a dropout color is
specified, the color flag of the status byte indicates the specified
dropout color.
1 ESC G command
2 Data block (image data for one block)
3 ACK code
4 Last data block (last line)
Steps 2 and 3 should be repeated for the number of lines (minus
1) specified for the image, until the last data block is received.
Do not send an ACK code after the last data block.
Color page sequence mode (three pass scanning)
ESC G
Decimal: 27
Hexadecimal: 1B
(none)
Start scanning
B1 B2 B3 B4 B5
71
47
Command Reference
3-13