Figure 1-11. Line Data Format - Epson GT-9000 Service Manual

Product &scriptIon
Step 1
Step 2
The scanner sends another data block (red).
Step 3
Step 4
Step 5 The host computer responds:
The scanner sends a fiml data block.
Step 6
Note: The host oomputer should not send back an ACK (06H) after rscek"ng the final data
block
SCANNER
HOST
1.7.3 Data Block Formats
This section describes two data block formats.
. Line data format Consists of a 4-byte information block, or a l-line image data block.
Information Block
Header Status
ST
1 byte
byte
. Block data format Consists of a 6-byte information block and n lines of image data. The
parameter n indicates the value of the line rmunter m the information block
Information Block
I
Header Status Byte Counter/Line
BC/L j
ST
byte 1 byte
If only the information block is to be sent to the host computec the byte twunter is set to
Note:
1-14
byte
2

Figure 1-11. Line Data Format

Line Counter
2 byte 2 byte
Figure 1-12. Block Data Fotmat
DATA
DATA
DATA
n Line Image DATA
Rev. A