Epson SQ-2550 User Manual page 264

ESC Q
Format:
ASCII code:
Decimal:
H e x a d e c i m a l : 1 8 5 1 n
Comments:
Sets the right margin to n columns in the current character
size. Settings made in the proportional mode are treated as
10 cpi. This command clears previous tab settings and all
previous characters in the print line. The minimum space
between the margins is the width of one double-width 10 cpi
character. Overrides the SelecType RIGHT MARGIN setting.
BS
Format:
ASCII code: BS
Decimal:
Hexadecimal: 08
Comments:
Prints out data in the print buffer, then moves the print
position one space to the left. Backspacing can be performed
up to, but not beyond, the left margin setting. Do not use BS
with the ESC a command.
9-20 Commend Summary
ESC Q
n
27 81
n
8
Set Right Margin
Backspace