Epson TM-T88 Information Manual

1-30 Command Descriptions Rev. A
GS / m
[Name] Print downloaded bit image
[Format] ASCII GS / m
Hex 1D 2F m
Decimal 29 47 m
[Range] 0 ≤ m ≤ 3
48 ≤ m ≤ 51
GS
✻ x y d1 ... d(x × y × 8) defines a downloaded bit image using x × 8 dots in the horizontal direction
and y × 8 dots in the vertical direction. Once a downloaded bit image has been defined, it is available
until another definition is made; ESC & or ESC @ is executed; the printer is reset; or the power is
turned off. When this command is executed, the user-defined characters are cleared. The default
setting is no downloaded bit image defined.
GS / m prints a downloaded bit image using the mode specified by m, as follows. In standard mode,
this command is effective only when there is no data in the print buffer. This command is ignored if a
downloaded bit image has not been defined.
m Mode Vertical Dot Density (DPI) Horizontal Dot Density (DPI)
0, 48 Normal 180 180
1, 49 Double-width 180 90
2, 50 Double-height 90 180
3, 51 Quadruple 90 90

Epson TM-T88 Specifications

General

Print Method	Thermal Line Printing
Resolution	180 dpi
Auto Cutter	Yes
Printer Type	Receipt printer
Interfaces	USB, Serial, Ethernet
Paper Roll Diameter	83 mm
Power Consumption	1.8W (Standby)
Paper Width	80 mm or 58 mm (with paper width guide)
Power Supply	Internal (depending on the model) or External