Preventive Maintenance
Before performing any Preventive Maintenance be sure to turn off the printer's power and unplug the power cable.
Cleaning the Thermal Printhead (TPH)
It is recommended at a minimum that the Printhead 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 printhead module to the vertical position.
3.Rub the printhead with a piece of cotton, which has been moistened with Isopropyl Alcohol, or use a thermal head cleaning pen.
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 printhead.
Printhead
Figure 17 - Printhead Location
Note: The printhead should be cleaned at least every time the ribbon is replaced and more often depending on actual usage and conditions.
User's Guide 46
