HP Photosmart D5400 series - Manual (Page 174)

6. Remove the print head by lifting it up.
7. Clean the print head.
There are three areas of the print head that need to be cleaned; the nozzle
area,the edge between the nozzles and contacts, and the electrical contact area.
1 Nozzles
2 Edge between nozzles and contacts
3 Electrical contacts
CAUTION: Touch the nozzle and the electrical contact areas only with
swabs and not with your finger.
Errors 173
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