Question about HP Officejet Pro L7680 All-In-One Printer
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Posted on Jan 02, 2017
Place a soft clean tissue paper over the cartridge print head and leave for about eight minutes. You can secure it with the aid of a rubber band. It should be held firm ok. If the tissue paper is not dampened by ink then the cartridge would have gone bad or the ink dried. You also know that they have expiry date and could go bad while yet in the packaging b/c it has expired. Good luck
Posted on Jun 02, 2009
The error states that you are using non-HP cartridges for all colours. If black prints fine then you should replace the colour cartridges with genuine HP colour carts. You should be able to get a refund on the refills since they clearly do not work as intended.
Posted on May 25, 2010
This issues looking printer head problem. check the following Steps for cleaning printer head :
Posted on Oct 12, 2010
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