Chapter 6 Command Summary - Epson LQ-500 User Manual

Chapter 6
Command Summary
This summary contains all the commands used by the printer. If a
command has no parameters, it is merely listed. If it has parameters,
they are explained. The parameters are indicated by lowercase
italicized letters, usually n. The examples below show how the
parameters are indicated.
ESC @ is a command with no parameters.
ESC U l/0 is a command that uses 1 to turn the feature on and 0 to
turn it off.
ESC $ n1 n2 is a command with two parameters.
ESC D nn is a command with a variable number of parameters.
ASCII
Printer Operation
ESC@
DC1
DC3
DEL
ESC <
ESC U 1/0
ESCEMn
Note: For the ESC EM command the variables are the characters "0" (48 decimal
or 30 hex) and "4" (52 decimal or 34 hex). Do not use 1 decimal, 01 hex, 4 decimal,
or 04 hex.
ESC=
ESC>
Description
Dec. Hex.
6 4 4 0 Initialize Printer
17 11 Select Printer
19 13 Deselect Printer
127 7F Delete Character
60 3C Select Unidirectional Mode (one line)
85 55 Turn Unidirectional Mode On/Off
25 19 Control Cut Sheet Feeder Mode
4: Turns mode on
R: Ejects a sheet
0: Turns mode off
61 3D Set MSB to 0
6 2 3 E Set MSB to 1
Command Summary 6-1