6.8 Alignment parameters
The parameters marked with the symbol
D
are the default values.
BLACK MARK
POSITION
Position of the alignment black mark and choice of appropriate black mark sensor:
Disabled
D
= the black mark alignment is not performed
Top = the black mark position is detected by the upper sensors aimed to the
Bottom = the black mark position is detected by the lower sensor aimed to the
Transparent = the black mark is detected by the lower sensor and the upper sensor
placed in front of (transparence)
NOTE:
The value “Top” can be enabled only in presence of the system with three top sensors
(optional).
If the device is equipped with the optional mobile sensor and the value “Bottom” is
presence and the mobile sensor takes care of detecting the black mark (see
chapter 7).
BLACK MARK THRESHOLD Threshold value (in percent) for the recognition of the presence of black mark by the
black mark sensor:
30% 60% 90%
40%
D
70%
50% 80%
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