Problem with the printer or Ink system

[Nina0414]

HP deskjet 2755

[Ellegirl]

HP ENVY 6400e series Printer

[Bob1029]

I have the HP Officejet Pro 8600 and I have the "Problem with the printer or Ink system on the screen of my printer and I can't do anything. I need help.

[Maksik]

Hi, my printer after long time not work, stay, paint not going to cartridge? what to do?

[CEB215]

HP 6968

Print quality was bad and cartridges were low on ink so I ordered a new set of ink cartridges.  After I installed the new cartridges I ran a test page and nothing printed.  I put the old cartridges back in and still get a blank page when running test page.  I have gone though all of the diagnostics with both sets of ink cartridges.  The printer recognizes the cartridges and displays ink levels but will not print a test page

[acer87]

new 2 days old 6978 does not print some pages PDF pages/files

[ColdMainer]

HP 7520 - got new ink cartridges but still not printing. Help

[CEB215]

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[NorsePrint]

My printer will not print even with new HP cartridges, printer quality report, printer information page, etc. just come out blank.  I have an Officejet 5255.

[Ed448]

I have an HP8620, out of warranty since 2017 but has given good service.  Suddenly got a message today to say that the printhead is "missing, not detected or incorrectly installed".  This came out of the blue, it had worked perfectly well in the last few days.  I've tried switching the power on and off and also removing and re-installing the printhead as instructed but neither fix worked.  It appears that a new printhead costs not much less than a new printer so do I have to buy another printer?