Chapter 9: Vertical Control Commands 97
Function ASCII Dec Hex
Set Relative Vertical
Print Position
ESC ( v L
n
H
n
L
p
H
p
27 40 118 L
n
H
n
L
p
H
p
1B 28 76 L
n
H
n
L
p
H
p
This command lets you move the print position very precisely either upward (up to 0.5-inch) or
downward (up to 46.2 inches) from the current print position, in increments established by the
Set Unit command (see Chapter 12).
Parameters L
n
and H
n
Normally L
n
is set to 2 and H
n
is set to 0.
Parameters L
p
and H
p
These parameters can have a value of 0 to 255 and are used to set the actual amount of vertical
movement, using the following equation:
[L
p
+ (H
p
x 256)] x increment set by ESC ( U L
n
H
n
P
n
command
For reverse (upward) movement, set bit 6 of H
p
to 1. For forward (downward) movement, set bit
6 of H
p
to 0.
Table 67: Epson ESC ( v Command —
Hexadecimal Values for L
p
H
p
1/360” 1/180” 1/120” 1/90” 1/72” 1/60”
Forward 0001-3FFF 0001-207F 0001-15AA 0001-103F 0001-0CFF 0001-0AD5
Reverse 7F40-7FFF 7FA7-7FFF 7FC5-7FFF 7FD4-7FFF 7FDD-7FFF 7FE3-7FFF
Notes: If the reverse line feed value exceeds the Top of Form position or the top margin, the
print position will start at the TOF or top margin position.
If the forward line feed value exceeds the bottom margin, the print position will start at
the top margin position on the following page. If Skip Over Perforation is set and the
forward line feed value exceeds the skip over perforation area, the print position will
start athe Top of Form position on the next page.
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