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‎06-24-2019 12:48 PM

HP Recommended
Product: Deskjet 3520

My 3520 printer is intermittently printing black ink, sometimes it works but others, comes out grainy or stripy on lines of text. A quality reports shows there is a problem with the black ink. I have replaced the cartridge, cleaned the air-hole, used the clean heads function and other obvious things. Any advise as to why this is happening please?

 

 

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1 REPLY 1

‎06-25-2019 11:22 AM

HP Recommended

Hi you can try the following. (use rubber gloves)
Remove power to the printer before attempting the following.
There is a little mesh filter below the black cartridge. (visible when you take the cartridge out).
Dab it gently with a Q-tip moistened in hot water.
It may take a few tries to get the mesh filter unplugged. 
Try printing.

 

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