Epson GQ-3500 User Manual page 119

Print head movement
BS
Format:
ASCII code:
Decimal:
Hexadecimal: 08
Comments:
Moves the print position one space to the left. Backspacing can be
performed up to, but not beyond, the left margin setting. If the BS code
is received immediately after receiving codes which unconditionally
change the print position, such as HT, it is ignored.
ESC $
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
This sequence specifies the distance from the left margin that
subsequent characters are to be printed, using this formula: total number
of dots = nl + (n2 x 256). Each unit equals 1/60th of an inch. The
sequence is ignored and the previous setting remains effective if the
position specified is beyond the right margin.
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
Determines the position (relative to the current position) at which
printing of following data will start. To find nl and IQ, first calculate
the displacement required in dots. If the displacement is to the left,
subtract it from 65536. Send
total number of dots = nl + (256 x I-Q). The command is ignored if it
would the print position outside the current margins.
move
LQ Emulation Commands
BS
8
ESC
27
36
24
ESC \
27
92
5C
resulting number using this formula:
the
Set Absolute Print Position
nl n2
nl
n2
nl
n2
Set ReIative Position
nl n2
nl
n2
nl
n2
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