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4.3 Structure of Data-Block

There are two types of the structure of the Data-Block shown below.

Line data structure : Includes 4 bytes of the information block and 1 line of

the image data.

Block data structure : Includes 6 bytes of the information block and ‘n’ line

of the image data where ‘n’ is indicated in the Line

counter of the information block.

Line Data structure Block Data structure

Note: The byte counter is 0000H if no data follows.

4.3.1 Line data structure

A) Information block

(1) Header: STX code( 02H )

The Header indicates that it is the beginning of a Data block .

(2) Status: (Refer to the section 4.4)

(3) Byte Counter

The Byte Counter indicates the number of bytes of data that

following the information block. The Bytes Counter consists of 2

bytes, and the lower bytes precedes the higher bytes.

B) Data

Data is a image data or an information data which corresponds to the

command such as [ESC I] , [ESC S] and so on.

They have the length indicated by the Byte Counter.

Color data order: Refer to [ESC C]