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PaperJet 55 user guide – Edition 3 – 10.10.01
46
6 Close the cover
To clean the print head and nozzles
If the printing quality deteriorates you can
quickly clear the print head and test the
nozzles with a print-out showing their
condition.
Press the Function button until the display
shows
HEAD MAINTENANCE
Display shows
NEW HEAD: ON
Either
If the print head is new, press the Start
button. Your PaperJet 55 performs a print
test.
Or
If the print head is not new, press to display
NEW HEAD: OFF
Display shows
CLEANING: ON
Your machine performs a print test.
To cancel, press the Stop button.
To interpret the print test, see page 12.
If the printout shows
NOZZLE DAMAGED
then you should clean the printhead
contacts, see opposite.
FRONT OF MACHINE
Manually cleaning the printhead contacts
Lift the printer compartment cover.
Remove the print cartridge and head.
Use a slightly damp cloth to clean the electrical
contacts taking care not to touch the nozzles.
Use a slightly damp cloth to clean the electrical
contacts of the carriage inside the machine.
Replace the print head and cartridge.
Close the cover.
Volume
ᮤ
ᮤ
F
Function
Start
Start
Start
Start
Stop