Epson LQ-510 User Manual page 236

Commands Arranged by Topic
ESC U
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
The following values can be used for n:
1: Turns the mode on
0: Turns the mode off
Printing is normally bidirectional. This command selects
unidirectional printing for more accurate positioning. This setting
can also be performed by SelecType.
ESC EM
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
The following values can be used for n:
0: Turns mode off
4: Turns mode on
R: Ejects a sheet. (No paper is loaded.)
The command should not be used unless the cut sheet feeder is
installed. It is ignored if any value other than 0, 4, or R is used
for n.
The cut sheet feeder mode can also be turned on and off by
setting DIP switch 1-8.
9-10 Command Summary
Turn Unidirectional Mode On/Off
ESC U
27 85
1B 55
ESC EM
27 25
1B 19
n
n
n
Control Cut Sheet Feeder
n
n
n