Preventive Maintenance
Before performing any Preventive Maintenance be sure to turn off the printer's power and unplug the power cable.
Cleaning the Thermal Print Head (TPH)
It is recommended at a minimum that the Print Head should be cleaned:
∙Each time a Ribbon is changed.
∙Each time a new roll of media is installed.
1.Turn off the printer, open the top cover, and if installed remove the ribbon.
2.Lift the print head module to the vertical position.
3.Rub the print head with a piece of cotton, which has been moistened with Isopropyl Alcohol, or use a thermal
4.Check for any traces of discoloration or adhesive on the cotton after cleaning.
5.Repeat if necessary until the cotton is clean, after it is passed over the print head.
Cleaning Location
Print Head
Figure 36 – Print Head Location
Note: The print head should be cleaned at least every time the ribbon is replaced and more often depending on actual usage and conditions.
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