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Operators Manual
ALS 330/430
Release 4/06 Page 29 Operation
4.2.7 Adjust pressure roller
Depending on the application the foam roller has to be adjusted. Loose the both screws and
tighten the screws again after the adjustment was done.
Figure 14 Adjust pressure roller
4.3 Initializing new label material
The machine requires data of the label material in use i.e. label length and opacity of the label
and backing material. In most cases, those parameters can be scanned during automatic
initialisation. This is not always possible.
During initialisation, the machine uses its label sensor to determine where the labels are on the
label web and the distance between the leading edge of labels (the label pitch) so that they can
be positioned correctly.
There are several modes of initialisation:
y
Automatic mode: The machine measure the setting
y
Manual mode: The operator measures the label parameter and keys in the values.
In most cases, initialisation should be executed in fully automatic mode. For fully automatic
initialisation, the "LPIT" and "CONT" parameters should be set to "AUTO". Initialisation can be
executed by pressing the <FEED key> whenever the message "INIT" is displayed by the
machine.
The message "INIT" is displayed in the following cases:
a) if the <FEED> key is pressed and held during power up
b) on return to the standard menu after the "CONT" or "LPIT" parameters have been changed
to automatic mode
c) on return to the standard menu after the configuration menu has been used
d) after clearing the error messages E__0 or E__1 in the standard menu. (If the feed key is
pressed while another parameter is displayed, the data from the last initialisation is held
and the first label edge detected is simply moved to the position defined by the "STOD"
parameter)
To start initialisations simply press the <FEED> key when "INIT" is displayed.
The machine will slowly feed the label web while it searches for the gaps between labels and
measures the label pitch. When the machine has determined this information it will move the