Technical information

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b. Remove the printhead – refer to instructions here:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c02871
867
c. Over a sink, run warm tap water directly into the 4 ink ports for approximately 2 mi nutes –
this will effectively saturate the foam ports and blow ink out/thru the nozzle plate bottom.
d. Using a lint-free towel, remove water from rear/bottom electrical contacts. Ensure
printhead electrical contacts and exposed surfaces are fully dry.
e. Install the printhead into the printer. You may observe a “Replace Printhead message” so
you will need to cycle printer power by turning printer off and then on to clear the error.
f. Install ink cartridges and retest printer. You should observe a New PRINTHEAD alert
message followed by an approx. 4-minute preparation countdown prompt.
g. Test printer output by activating an internal test print or print a test page from our ‘Test
Prints’ page: http://inkjet411.com/?page_id=146
h. If you have reached this point of the troubleshooting and all the previous troubleshooting
steps did not work, then the printhead is likely damaged or at end of life* and may need to
be replaced.
5) REPLACE PRINTHEAD*:
Replace the PRINTHEAD (it is suggested to refer to HP’s Procedure)
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c02871867
6) OTHER PRINTER MALFUNCTION:
As an outside chance, the internal ink/suction pump could be faulty. Best to troubleshoot this type of
problem directly with HP personnel if that is the case.
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*Ink ca rtridges a re merely plastic holding tanks for the ink....other than connecting and being recognized by the
printhead, there isn't really anything that can go wrong here (our ink formulations a nd HP ink formulations are 'very'
si milar so this is not a significant contributor toward this type of condition based on our extensive internal b enchmark
testing).
Typica lly the printhead should not reach its end-of-life until after a minimum of 8 or more complete sets of cartri dge
changes; officejet models typically have a higher print page throughput average, but this is not always the case. While
some printheads may l ast 12,000+ pages others may only l ast 2000 pa ges, your printer results will vary. The printhead
wil l eventually fail in time due to a n internal micro-electronics failure, due to the following leading factors: natural
electronics degradation over time, printer duty cycle (i.e. # pages printed per month), printing frequency (i.e. time
between each print job), print mode (i.e. draft vs. normal), i mage content printed (i.e. photos vs plain pages) and
color mode (black and white only vs . color/greyscale printing).
Paper types used (i.e. plain paper, photo papers & matte/heavy bond papers) and paper edge curl (i.e. duration in
printer and/or exposure to low relative humidity) can a lso quickly lead to premature printhead failures due to
phys ical ‘head s trikes’ of the paper edges making repeated contact with the printhead nozzle plate surfaces.