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Operators Manual
ALS 230
Release 11/05 Page 21 Preparing the machine
With a L-dispensing the adjustment is done by move the tail sheaves behind the dispensing
edge.
3.3 Adjust dispense function
For an operation without any trouble and high label accuracy, tree adjustments are required:
• Label position on the dispensing edge: stop position
• Dispense speed
• Label position on the product
The adjustment should be done in the same order, because parameter like the stop position
depends on the setting of the stop position and the dispensing speed.
3.3.1 Stop position
The first step is to adjust the stop position. This is the basic adjustment of the dispense
process. Also in case of problems with the machine check if the stop position is okay.
Figure 6 Stop position
The stop position should be adjusted so that the label stops at the dispensing edge up to 3 mm
behind.
For a correct operation of the automatic label compensation, they will compensate a missing
label on the web, first the distance between label sensor and dispensing edge has to be
defined. Do this by calling the DIST function in the configuration menu. Check the setting by
removing a label before the label sensor from the web. Give a start signal to the machine by
triggering the start sensor (not the FEED key) and see if the compensation is done on the right
position. Do the fine adjustment with the STOD function.
3.3.2 Fixed dispensing speed
The second step is to adjust the dispense speed. If an APSF sensor is used see 3.3.3.
If an applicator is used, then the dispense speed has no influence to the dispense process.
Continue with 3.3.4.
Set POS to the distance between start sensor and dispensing edge. If installed remove the
roller to press the label onto the product. Now try to dispenser one product. If the label has
wrinkles reduce the speed VELO. If the product peels out the label, so the stop position of the
next label is different to the last position increase the speed. Normally your dispense speed
should be a little bit higher than your product speed.