HP 9100 series - Manual (Page 149)

ENWW Maintaining the printheads 147
To clean the printheads
1 On the control panel, press M ENU .
2 Press (up) or (down) to move to MAINTENANCE , and then press (select).
3 Press (down) to move to Clean printheads , and then press (select).
Cleaning the printhead contacts
If lines or dots are still missing from printed text or graphics after you have cleaned the
printheads, the printhead contacts might be dirty.
CAUTION HP recommends that you clean the printhead contacts only after you have cleaned the
printheads. Printhead contacts contain sensitive electronic components that can be damaged
easily.
To clean the printhead contacts
1 Turn on the all-in-one.
2 Open the print-carriage access door by lifting the door handle up. See Gaining access to
the supplies area for more information.
3 Lift the printhead latch from the rear, and then pull it forward and down to release the hook
from the metal catch.
4 Lift and push the latch toward the back of the all-in-one.
5 To remove a printhead, place your index finger in the loop of the printhead handle, and
gently pull up until the printhead releases from the carriage assembly.
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