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- 6510 printing faint gray instead if black

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05-12-2014 04:16 AM
Thanks
05-14-2014
09:38 AM
- last edited on
04-20-2016
02:18 PM
by
OscarFuentes
Hi,
Please follow this document for the same issue
http://support.hp.com/us-en/document/c03760633
Hope this helps
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05-14-2014 06:02 PM
The Ink Cartridges must be properly seated and vented to allow ink to flow from the Ink Supply into the Print Head. The Print Head sits right below the Ink Cartridges and is the part that does the actual printing. From youre description (new black supply, but very light black text) it sounds like the Print Head is not able to suck ink out of the Supply. Whenever you re-install a supply the printer should try and prime the system (get fresh ink from Supply to the Print Head). That's some of the strange noises you can hear after installing an ink supply.
Check that you are getting a good seal on the bottom of the supply where it seats onto the Print Head.
Check that it is properly vented from the top so that air can get into the cartridge to replace the ink that gets sucked out. If it's not venting right the vacuum pressure will build up and the PHA won't be able to suck the ink out. (see instructions above).
05-14-2014 06:58 PM
05-14-2014 09:19 PM
Hi,
Please call HP tech support, and they will try to isolate the problem to the printer or the cartridge.
thanks
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