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  7. GS ( C   <Function 3>

Select your printer model

Parameters are refined by the selected printer.
  • EU-m30
  • TM-J2000
  • TM-J2100
  • TM-L90
  • TM-L90 LFC
  • TM-L100
  • TM-m10
  • TM-m30
  • TM-m30II
  • TM-m30II-H
  • TM-m30III
  • TM-m30III-H
  • TM-m30II-NT
  • TM-m30II-S
  • TM-m30II-SL
  • TM-m50
  • TM-m50II
  • TM-m50II-H
  • TM-P20
  • TM-P20II
  • TM-P60
  • TM-P60II
  • TM-P80
  • TM-P80II
  • TM-T20
  • TM-T20II
  • TM-T20III
  • TM-T20IIIL
  • TM-T20X
  • TM-T70
  • TM-T70II
  • TM-T81III
  • TM-T82II
  • TM-T82III
  • TM-T82IIIL
  • TM-T82X
  • TM-T83III
  • TM-T88IV
  • TM-T88V
  • TM-T88VI
  • TM-T88VII
  • TM-T90
  • TM-T100
  • TM-U220
  • TM-U220II
  • TM-U230

GS ( C   <Function 3>

[Name]

Transmit capacity of the NV user memory currently being used

[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]

(pL + pH × 256) = 3
m = 0
fn = 3, 51
b = 0

[Description]

Transmits the number of bytes of memory used in the NV user memory.
  • ESC/POS Handshaking Protocol is not required for this function.

[Notes]

  • With this function, the printer sends the "Header to NUL" data shown below:
  • Send data
    Hex
    Decimal
    Number of bytes
    Header
    37h
    55
    1 byte
    Identifier
    28h
    40
    1 byte
    Used capacity (∗1)
    30h – 39h
    48 – 57
    1 – 8 bytes
    NUL
    00h
    0
    1 byte
  • (∗1) 
    The Used capacity indicates the number of bytes for the storage data. It incluees the key code and terminator. The decimal value expressing the Used capacity is converted to ASCII character data and sent from the most significant digit.
    Example: 
    When 120 bytes is used, the number 120 is expressed with three bytes of data (Hexadecimal: 31h, 32h, and 30h / Decimal numbers 49, 50, and 48).
    When no memory area is used, the number 0 is expressed with 1 byte of data (Hexadecimal: 30h / Decimal number 48).
  • The control information for NV graphics data is included in the capacity in use.
  • See [Notes for transmission process] for process sending data group.
 

Quick Access

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ESC/POS® includes patented or patent pending commands. The contents must not be disclosed to third parties.


ESC/POS® Command Reference for TM Printers

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  2. ESC/POS® Command Reference for TM Printers »
  3. Commands Arranged by Function »
  4. Customize Commands »
  5. NV user memory »
  6. Edit NV user memory »
  7. GS ( C   <Function 3>

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