HP PageWriter 100 User Manual page 51

To clean the printhead:
Caution
a
Touch the equipotential connector on the back of the
cardiograph to discharge any static electricity stored on
your skin before touching the printhead. The printhead
can be damaged by static electricity.
1. From the front of the cardiograph, unlatch and open
the paper door. The printhead is to the right under
the paper blade and behind a brush. See Figure 4-1.
2. Wipe the printhead with a foam swab dipped in 90%
isopropyl alcohol. Scrub until all visible residues are
removed.
3. Dry the printhead with a clean lint-free tissue.
To clean the paper sensor lens:
1. From the front of the cardiograph, unlatch and open
the paper door. The paper sensor lens is to the right
under the printhead. See Figure 4-l.
2. Lightly wipe the paper dust off of the paper sensor
lens with a dry foam swab. Do not use alcohol.
4-4 Maintaining the Cardiograph