03/13 Rev. 5.08-01
USER MANUAL
Servicing and Maintenance
64-xx – 64-xx Dispenser
12
Photoelectric switches
Cleaning the gap photoelectric switch
1. Switch off the device.
2. Pull out the mains plug.
3. Remove material and ribbon.
4. Unscrew the two thumb screws on the print head mounting the entire print
head mounting can be rotated upwards on the contact shaft.
See paragraph "
Cleaning the print head
" on page 5.
The print head does not need to be removed. Mark the position of the
printhead on the axle, if it is not flushed against the inner or outer plastic
ring.
The gap photoelectric switch can now be easily accessed from above.
5. Clean the gap photoelectric switch with compressed air
(compressed air can be ordered in a can as an accessory).
Additionally clean it using cleaning fuel and a dust-free cloth if it is
particularly dirty.
6. After cleaning, return the print head mounting to its old position and
retighten the thumb screws.
Press the thumb screw on the tapered edge of the square axle and ensure
the exact positioning of the print head mounting on the axle. Also pay
attention to the position of the print head in relation to the edge of the label.
Basic factory settings: Flush against the inner black plastic plug.
7. Before switching on the device, check whether the print head cable is still
properly connected. If this is not the case, plug in the cable correctly.
Cleaning the material end photoelectric switch
The material end photoelectric switch is located on the inner red material
feed on the print module. It is necessary to regularly clean the photoelectric
switch of material and dust particles. The cleaning intervals are dependent
on the materials being used.
Clean the material end photoelectric switch with compressed air
(compressed air can be ordered in a can as an accessory).
Additionally clean it using cleaning fuel and a dust-free cloth if it is
particularly dirty.