Question about HP Deskjet F340 All-In-One Printer

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I have an HP color printer. When printing the black does not print well even though it shows that the black print cartridge has plenty of ink in it. Is there a way of: 1. Diagnosing if it is the print cartridge or the printer that is the problem? 2. cleaning the print heads in the printer. 3. cleaning the print cartridge head?

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Black printer ink in HP Printer may fail to be recognized by the printer. Most times an error message will be sent indicating that something is wrong with the black print cartridge. Sometimes the printer may accept to print with the black ink, but the printouts may have horizontal lines and very illegible letters. In such a case a manual cleaning of the print head should be carried out. In doing the manual cleaning, one should spray Windex heavily on paper towel and wipe off the surface of the print head.

http://en.kioskea.net/forum/affich-40171-printer-not-printing-black

Posted on Nov 11, 2010

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