Block Data Format - Epson GT-9000 Service Manual

1.7.3.1 Line Data Format
information Block
Header
The header indicates the beginning of a data block.
Refer to Section 1.6.4.
status
Byte counter The byte counter indicates the number of data bytes that follow the
information block. The byte counter consists of 2 bytes, and the lower byte
precedes the higher byte.
Data
Data is image data or information data, which corresponds to a comman d, such as ESC I,

1.7.3.2 Block Data Format

Information Block
Header
The header indicates the beginning of a data block.
Refer to Section 1.6.4.
status
The byte counter/line indicates the number of bytes of image data per line in
Byte counter/line
the main scanning direction.
The line counter indicates the number of lines of image data per color.
Line counter
Notes:
1. Block data format is available when activating the 'setline counter' command.
2. For the color line sequence mode, image data is arranged in the order green, red, and blue.
So, if 'n' lines of color data are included in a data block, the line counter indicates 3 x n.
3. The byte counterfline and the line counter consist of2 bytes, and the /ower byte precedes the
higher byte.
4. The byte counterAine and the line countershouldbe checked before receiving data.
Data is an image data block.
Rev. A
Product Description
1-15