Brother HL-Series Technical Reference Manual page 186

Revision C 16/01/96
Set vertical motion index (VMI)
EscRSn
Ÿ
This command sets the unit of vertical movement - the vertical motion index or VMI. The VMI is
the vertical distance the print position moves on the page when a line feed is performed. The setting
determines the distance the print position moves when vertical tab commands are invoked.
Ÿ
The VMI is set to be (n–1)/48".
Ÿ
Line feed and reverse line feed operations cause the print position to move vertically a distance equal
to the VMI.
Ÿ
If you change the VMI the number of lines per page is automatically changed as well, so as to
maintain the current page length.
LPRINT CHR$(27); CHR$(30); CHR$(9); 'Set 1/6" VMI
Space
SP (32)
Ÿ
The SP control code (ASCII code 32) moves the current print position one space to the right. One
space equals the current value of the HMI.
LPRINT CHR$(32); 'Print a space
Backspace
BS (08)
Ÿ
The BS control code (ASCII code 8) moves the current print position one space to the left. One space
equals the current value of the HMI.
LPRINT CHR$(8); 'Backspace
Backspace 1/120"
EscBS
Ÿ
This command moves the print position 1/120" to the left.
Ÿ
If backward printing has been selected with Esc 6, this command moves the print position 1/120" to
the right.
Ÿ
This code can move the print position beyond the left and right margins, but not outside the printable
area.
LPRINT CHR$(27); CHR$(8); 'Backspace 1/120"
(27)(30)n <1Bh><1Eh>n
<20h>
<08h>
(27)(08)n <1Bh><08h>n
Chapter 4 "Diablo 630" - 7