HP Designjet 130 Guide De Référence Rapide page 30

HP Designjet 130/130nr Printer - Quick Reference Guide
The Problem is there is a Printhead Failure (continued)
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5. Ensure that no tape is covering the printhead contacts.
6. Gently wipe the printhead contacts with a clean, soft, lint-free cloth.
7. If the printhead contacts are still dirty....
...slightly moisten the cloth with distilled water and continue wiping the
contacts until they are clean.
8. Place the printhead on a paper towel and leave it to dry for at least five
minutes.
9. While the printhead is drying, clean the contacts inside the carriage is the
same way.
10.When both the printhead and the contacts inside the carriage are dry, re-
insert the printhead by lowering it into place and return the small handle to
its lower position. Press down firmly and evenly on both the front and the
back of the printhead to make sure it is correctly seated.
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