03/13 Rev. 5.08-01 USER MANUAL Servicing and Maintenance64-xx – 64-xx Dispenser12Photoelectric switchesCleaning the gap photoelectric switch1. 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 printhead 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 theprinthead on the axle, if it is not flushed against the inner or outer plasticring.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 isparticularly dirty.6. After cleaning, return the print head mounting to its old position andretighten the thumb screws. Press the thumb screw on the tapered edge of the square axle and ensurethe exact positioning of the print head mounting on the axle. Also payattention 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 stillproperly connected. If this is not the case, plug in the cable correctly.Cleaning the material end photoelectric switchThe material end photoelectric switch is located on the inner red materialfeed on the print module. It is necessary to regularly clean the photoelectricswitch of material and dust particles. The cleaning intervals are dependenton 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 isparticularly dirty.
