Programmer's Guide
PcOS Series 80PLUS
Epson Commands
Command Descriptions
Rev B 4/13/99
Page 81
Character Width Selection
Hex
Decimal
Width
00
0
1 (normal)
10
16
2 (double-wide)
20
32
3
30
48
4
40
64
5
50
80
6
60
96
7
70
112
8
Function
Turn white/black reverse printing mode on/off
[E]
ASCII
GS
B
n
Hexadecimal
1DH
42H
n
Decimal
<
29>
<66>
n
Range
0
≤
n
≤
255
Description
This command turns on or off white/black reverse printing mode. When
the LSB is 0, white/black reverse mode is turned off. When the LSB is 1,
white/black reverse mode is turned on.
Function
Select double-wide characters
[A]
ASCII
DC2
Hexadecimal
12H
Decimal
<
18>
Description
This command prints double-wide characters. The printer is reset to single-
wide mode after a line has been printed or a Clear Printer (10)
command is
received.
Function
Select single-wide characters
[A]
ASCII
DC3
Hexadecimal
13H
Decimal
<
19>
Description
This command prints single-wide characters.
Function
Select pitch (column width)
[A]
ASCII
ESC
SYN
n
Hexadecimal
1BH
16H
n
Decimal
<
27>
<22>
n
Range
0 = Standard (44 col/15.61 cpi)
1 = Compressed (57 col/20.3 cpi)
Default
n
= 0
Description
This command selects the character pitch for a print line. See Appendix B
for a description of both pitches.