For severe print quality/missing color issues there
could be an air bubble/air gaps in the printer ink lines or a portion of the
PRINTHEAD is dry, so you should first perform a Clean PrintHead procedure from your
printer control panel.
NOTE: If one or more the colors were previously dry
fired during printing (i.e. if you continued printing using only a few colors
to one, air may have been accidently ingested into the ink lines between the
cartridge(s) and PRINTHEAD. To recover from this problem, you may have to run
the Clean Printhead procedure 2-3 times.
If a problem persists then it is suggested to
review the steps outlined on the following HP 920 support pages, including
printhead removal/printer cleaning and service station cleaning. It is
suggested you refer to printer manufacturer instructions first as the Inkjet411
procedures are provided for general guidance purposes only. A dirty service
station can cause poor image quality and/or ink cross-contamination between
different colors:
http://inkjet411.retailinkjet.com/?page_id=1495
If the problem still cannot be corrected, then the
PRINTHEAD may be dry and may need to be flushed (i.e. with warm water as it
could have dried out, but this is a function of how much you print). Remove and soak in hot water for 5 minutes...thoroughly dry printhead prior to re-installing. Retest.
For more information please visit:
http://inkjet411.retailinkjet.com/?page_id=856
Worst case scenario the PRINTHEAD may simply be electrically damaged or at end-of-life (typically fails between 3,000 and 5,000 printed
pages) and may require replacement, usually accompanied by error messages like Incompatible
Printhead or Ink Delivery/System Failure. NOTE: The PRINTHEAD will eventually
fail in time. For more information on the how the PRINTHEAD works, watch the
video here:
http://inkjet411.retailinkjet.com/?page_id=1983
To verify Printhead performance, run the Tap 41
diagnostic test, (Pen Status: Pen OK).....for printer model instructions please visit:
http://www.Inkjet411.com
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