HP 78 tri color ink dried up

dk7

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I bought an HP color cart #78 from ebay.

The only color that prints is the red.

How can I get the other colors Blue and Yellow to print?

It is a new cartridge not remanufactured or refilled.


Thanks

dk7
 

tsiya

Getting Fingers Dirty
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Sit the cartridge in a paper towel pad moistened with distilled water and let it sit for a while. Make sure the print head contacts the moist towel. It may dissolve the dried ink that is blocking the head.
 
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