Chapter 7 — Commands
ESim for the PC4 and PF8 Printer Programmer’s Reference Manual 101
Example 2:
Butterfly label (293.2 dpi = 8 dots/mm printhead):
p
1
= 12.5 mm (100 dots)
p
2
= 3.0 mm (24 dots)
p
3
= 3.0 mm (24 dots)
The Q command would be:
Q100,24+24
Q - Set Form Length (Black Mark)
This command is used switch from label gap sensor to the black
mark sensor, and to specify the location and height of the black
marks on the back of the media.
Syntax: Qp
1
,Bp
2
[±p
3
]
.
p
p
p
PRINT
DIRECTION
1
2
3
Q Command Parameter Descriptions
Parameter Description
p
1
Distance between black marks measured in dots.
B Disables label gap sensor and enables the black
mark sensor.
p
2
Height of black mark measured in dots.
±p
3
Optional offset length measured in dots.