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52 Maintenance and Adjustments
5.1.1 Cleaning the Printhead
The thermal printhead should be cleaned periodically, or when the print quality
is affected by a dirty printhead. Follow the instructions outlined below when
cleaning is required.
1. Turn off the Printer and open the Side Access Cover.
2. Unlatch the Printhead by rotating the Printhead Latch counter-clockwise.
3. Lower the Hinge Plate.
4. Using a cotton swab dipped in Isopropyl Alcohol, clean the printhead by
rubbing the cotton swab left and right along the Printhead Element. Care
should be taken not to scratch the Printhead with the cotton swab.
5. Raise the Hinge Plate and engage the Printhead Latch by rotating it
clockwise.
6. Close the Side Access Cover.
CAUTION
Allow the printhead surface to cool 2 − 3 minutes before
cleaning. Do not touch the printhead with your fingers or
lubricant of any kind.