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01-08-2020 08:25 PM
Help! My Designjet500 will not print black ink....it did a few months ago. Black does not show now on the diagnostic print and when I try to print using 'best quality' the lines are blue. I put in a new black cartridge. I replaced the black ink cartridge which was very old and the new one didn't work. My other three colors print fine. I have not used this printer much lately - but ran a diagnostic a few months ago - and changed two colored printheads - all the colored print-heads work fine. I am concerned that maybe the inkline has clogged but wonder that the others seems to work.
I suspect a clogged black ink line - or the black print head. I am 2 hours south of St. Paul and don't seem to see any HP service shops in this area. Anyone else have a problem with the black print head? thanks for reading
01-09-2020 07:04 AM
Thank you Valsimot for your input. I did order one last night after watching a video on cleaning the printhead which I tried. (soaking it on a wettened paper towel - It did print out some very black work for a short bit but when I put it through the diagnostic print - it did not print a true black again and the message in the display panel instructed for a new print head. Also I tried the "cleaning printhead" command and that did not help that I could see. I'm hoping a new printhead will do the trick and seems like ink is coming through the tubes so I am encouraged that way. Thanks again - have a good day.
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