Cleaning The Printhead And Paper Sensor - HP PageWriter XL M1705B Service Manual

Cleaning the Printhead and Paper Sensor
If you use Hewlett-Packard recording paper, you should not have to
clean the printhead for the life of the product. Should you decide
to do so, this is the procedure to follow. These are the materials
required:
n
Foam swabs-Hewlett-Packard part number 9310-0468 or
9300-0767
n
90% Isopropyl Alcohol-Hewlett-Packard part number 8500-0559
or equivalent
n
Dry, lint-free tissue-Kimwipes@ or Hewlett-Packard lint-free
wipes (Hewlett-Packard part number 92193W)
To clean the printhead:
1. From the front of the cardiograph, unlatch and open the paper
door. The printheacl is to the right under the paper blade, behind
the ESD brush (see Figure 4-2).
2. Scrub the printhead with a foam swab moistened with isopropyl
alcohol.
3. Dry the printheacl with a 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 4-2).
2. Lightly wipe the paper dust off of the paper sensor lens with a dry
foam swab.
Figure 4-2. Cleaning the Digital Array Printhead.
A. Printheacl
B. Paper Sensor
Performance Verification and Maintenance 4-11