Chapter 11
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
To clean the print head
a. Lightly dampen a cotton swab and wipe the electrical contact area from the bottom to the top.
In order to avoid transferring ink and debris from the contact area to the nozzles, do not go past the edge of the print head. Use an many fresh swabs as necessary. Clean until no ink shows on the swab.
b. Lightly dampen a fresh swab and wipe the nozzle area.
Wipe in one direction only (do not wipe back and forth). In order to avoid transferring ink and debris from the nozzle area to the contacts, do not go past the edge of the print head.
NOTE: Use separate swabs for cleaning the different nozzles.
186 Troubleshooting