CHAPTER 4
Control commands list
4-19
GS ( C pL pH m fn b c1 c2 <Function 2>
[Format] ASCII GS ( C pL pH m
fn b
c1 c2
Hex 1D 28 43 05 00 00 fn 00 c1 c2
Decimal 29 40 67 5 0 0 fn 0
c1 c2
[Range] (p
L + pH x 256) = 5 (pL = 5, pH = 0)
m = 0
fn = 2, 50
b = 0
32 ≤ c1 ≤ 126
32 ≤ c2 ≤ 126
[Description] Transmits the data for the record with the ID code specified by parameters c1, c2 in the NV user
memory.
- ESC/POS Handshaking Protocol is required for this function.
GS ( C pL pH m fn b <Function 3>
[Format] ASCII GS ( C pL pH m fn b
Hex 1D 28 43 03 00 00
fn 00
Decimal 29 40 67 3
0 0
fn 0
[Range] (p
L + pH x 256) = 3 (pL = 3, pH = 0)
m = 0
fn = 3, 51
b = 0
[Description] The printer sends the host the number of data bytes currently used in the NV memory area.
- ESC/POS Handshaking Protocol is not required for this function.
GS ( C pL pH m fn b <Function 4>
[Format] ASCII GS ( C pL pH m fn b
Hex 1D 28 43 03 00 00 fn 00
Decimal 29 40 67 3 0 0
fn 0
[Range] (p
L + pH x 256) = 3 (pL = 3, pH = 0)
m = 0
fn = 4, 52
b = 0
[Description] The printer sends the available NV user memory.
- ESC/POS Handshaking Protocol is not required for this function.
GS ( C pL pH m fn b <Function 5>
[Format] ASCII GS ( C pL pH m fn b
Hex 1D 28 43 03 00 00 fn 00
Decimal 29 40 67 3
0 0 fn 0
[Range] (p
L + pH x 256) = 3 (pL = 3, pH = 0)
m = 0
fn = 5, 53
b = 0
[Description] Transmits the key code ID for the record stored in the NV user memory.
- ESC/POS Handshaking Protocol is required for this function.
