Epson GS ( E pL pH fn a <Function 4>

CONFIDENTIAL
Paper roll Customize commands GS ( E
Ver. 10.0 1 p. 585
GS ( E pL pH fn a <Function 4>
[Name] Transmit the settings of the memory switch
[Format] ASCII GS ( E pL pH fn a
Hex 1D 28 45 02 00 04 a
Decimal 294069 2 0 4 a
[Range] ( pL + pH × 256) = 2 ( pL = 2, pH = 0)
fn = 4
TM-J2000/J2100, TM-T90, TM-L90: a = 1, 2, 8
TM-P60: a = 8
TM-U220: a = 2, 8
[Description] Transmits the setting value of the memory switch specified by a .
[Notes] ■This function works both in user setting mode and during normal printer operation.
■The printer transmits the “Header to NUL” data shown below:
■The value of the memory switch is transmitted from bit 8 to bit 1. 48 or 49 is transmitted for a bit of
Reserved.
■See description of <Function 3> of this command for detail of memory switch.
■See [Notes for the processing to transmit data] for description of the processing to transmit data.
Transmit data Hex Decimal Data quantity
Header 37H 55 1 byte
Identifier 21H 33 1 byte
Setting value 30H or 31H 48 or 49 8 byte
NUL 00H 0 1 byte