Epson LQ-1500 User Manual page 61

Horizontal Spacing Commands
Function:
Carriage return
Format:
ASCII
Decimal
Hexadecimal OD
Remarks:
Returns the print head to the left margin. If auto-line feed is on,
paper is also advanced one line.
Function:
Set right margin
Format:
ASCII
Decimal
Hexadecimal
Remarks:
Sets a right margin at n character columns of the current character
width. The value of n can range from 1 to 255. This command must
be sent at the beginning of a line. If a line to be printed exceeds the
right margin, a carriage return and line feed will be inserted to keep
the line from exceeding the right margin.
Function:
Set left margin
Format:
ASCII
Decimal
Hexadecimal
Remarks:
Sets the left margin at n character positions of the current character
width. The value of n can range from 0 to 160, but if the value is too
large (if it results in a left margin greater than 8 inches), the com-
mand will be ignored. This command should be placed at the begin-
ning of a line.
54
(CR)
13
<ESC> "Q" n
27 81 n
1B 51 n
(ESC) "I" n
108 n
27
1B 49 n