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Birch BP007
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BP-007 Users Manual
- 52 -
beginning print-position that is set, and the tearing/cutting position of the current bill is the
tearing/cutting position that is set.
z Calculation explanation for the tearing/cutting position offset and the beginning print-position offset
is shown as follows:
1. When the distance L of the tearing/cutting position offset from the black mark is same with the
inherent mechanical value L
0
of the printer, and the distance Q of the tearing/cutting position
offset from the beginning print-position is same with the inherent mechanical value Q
0
of the
printer (shown as figure 7-2), all the offset value set by “GS F” command is 0.
2. (1) When the distance L of the tearing/cutting position offset from the black mark is less than the
inherent mechanical value L
0
of the printer (shown as figure 7-3), the calculation of
tearing/cutting position offset is shown as follows:
tearing/cutting position offset =L
0
-L/0.176 dots number
(2) When the distance L of the tearing/cutting position offset from the black mark is greater than the
inherent mechanical value L
0
of the printer (shown as figure 4), the calculation of tearing/cutting
position offset is shown as follows:
tearing/cutting position offset =L
0
+ distance of adjacent two black mark -L/0.176dots number
Note: When the tearing/cutting position offset is being set, the parameter “a” of “GS F”
command should be “2”.
3. When the tearing/cutting position offset is not zero, or the distance Q of the tearing/cutting position
offset from the beginning print-position is greater than the inherent mechanical value Q
0
of the
printer (shown as figure 7-5), the calculation of the beginning print-position offset by “GS F”
Figure 7-2
Fi
g
ure 7-3
Figure 7-5
Figure 7-4
Black mark
detector
L=L
0
Q=Q
0
ABCDEFG
BCDEFGH
Black Mark
Tearing/cutting
position
Beginning
print-position
LL
0
Q
ABCDEFG
BCDEFGH
Black Mark
Tearing/cutting
position
Black mark
detector
LL
0
Q
ABCDEFG
BCDEFGH
Black Mark
Cutting/tearing position
Beginning print-position
Black mark detector
Cutting/tearing position
Cutting/tearing
position
QQ
0
L
ABCDEFG
BCDEFGH
Black Mark
Black mark
detector
Beginning
print-positio

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