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.
1Nozzles
2Edge between nozzles and contacts
3Electrical contacts
CAUTION: Touch the nozzle and the electrical contact areas only with swabs and not with your finger.
Troubleshooting
Errors 173