“Is your HP OfficeJet Pro 6978 all-in-one printer’s black or color ink not printing? Or, are you facing the print quality issue with this printer?” If yes, troubleshoot the print quality issue on your printer by performing the following methods one by one.
If your printer’s black or color ink cartridge is not printing/responding, reinstall the printer driver on your Windows computer.
If your HP printer’s printhead is clogged or contains dirt particles, there is a chance for the print quality issue to occur. To clean the printhead, follow the simple instructions given below.
If the cartridge level is low or empty, there is a chance for the print quality issue to occur. In this case, check the estimated ink levels of the cartridges. If the level is empty or low, replace the cartridge with a new one. Locate and tap the Ink Level Indicator icon on your printer’s control panel to check the estimated ink levels of the cartridges. Now, if you find one of the cartridge levels is low or empty, follow the below instructions to replace it.
Now, print a test page to check whether the HP OfficeJet Pro 6978 all-in-one printer’s print quality issue is resolved. If not, contact us.
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