Epson 4500 - Manual (Page 260)

Commands Arranged by Topic
DC3 Deselect Printer
Format:
ASCII code: DC3
Decimal: 19
Hexadecimal: 13
Comments:
Puts the printer into the deselected state until the select printer code
(DC1) is received. The printer cannot be reselected with the ON LINE
button.
DEL
Format:
ASCII code:
Decimal:
Hexadecimal:
DEL
127
7F
Delete Character
Comments:
Removes the last text character on the print line but does not affect
control codes.
ESC <
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
Select Unidirectional Mode (one line)
ESC <
27 60
1B 3C
Text printing is normally bidirectional. (Graphics printing is always
unidirectional.) This command selects unidirectional printing for one
line only. (It is cancelled by a carriage return.) The print head moves
to the extreme left (home) position and printing takes place from left
to right.
Command Summary 9-9