Specifications

Programmers Guide TH230/TH230+

• The settings of this command are effective until FF is executed, ESC @ is

executed, the printer is reset, or the power is turned off.

• The vertical or horizontal motion unit is specified by GS P.

• See Functions 5 and 6 of GS ( E for specifying the paper width.

ESC Y

Function: Select Double-Density Graphics

Code ASCII:

ESC Y n1 n2 d1 ... dn

Code HEX: 0x1B 0x59 n1 n2 d1 ... dn

Range: Value of n

Value of n (8-

Dot Single

Density Mode)

Value of d

n1 + (256 x n2) Number of Bytes of Data

Description: Enters one line of 8-dot double-density graphics into the print buffer. Any

print command is required to print the line, after which the printer returns

to normal processing mode. Double-density mode allows 0-576 dot

columns. The number of bytes sent is represented by the formulas in the

table.

Notes:

• Each bit corresponds to one horizontal dot. Compare to Set Bit Image

Mode (0x1B 0x2A, m=1) earlier in this document.