HP Officejet Pro 6978 Troubleshooting

HP Officejet Pro 6978 Troubleshooting

HP Officejet Pro 6978 Troubleshooting

Troubleshoot problems with print quality, printhead, paper tray, and cartridges on the HP OfficeJet Pro 6978 printer. By HP Officejet Pro 6978 troubleshooting, you can find the root cause of the error.

HP Officejet Pro 6978 Not Printing Black

  • Ensure that the printer is plugged into an electrical outlet.
  • Open the ink cartridge access door and gently remove all the ink cartridges from the printer.
  • Close the ink cartridge access door.
  • Remove the power cable from the rear of the device without turning off the printer.
  • Plug the power cable back to the printer.
  • Turn on the printer and install the ink cartridges.
  • Go to the setup menu and then select Tools from the touchscreen panel.
  • Click Clean page smears.
  • Now open setup menu and then access the printer maintenance menu. Touch the Clean Printhead option.
  • Run the printhead clean several times, and the printer will restart.
  • The above steps will resolve the HP Officejet Pro 6978 Troubleshooting problem.

Printhead Problem HP 6978

To clean the HP Officejet Pro 6978 Printhead, follow the procedures given below.

  • Load A4 sized unused paper into the main input tray.
  • Press and hold the power button.
  • Now press the Cancel button two times, and then click on the Resume button once. Release the power button.
  • The above steps will trigger the device to run the printhead - cleaning tool.
  • You can clean the printhead using the HP solution center.
  • Click on the Windows option, select All Programs, and open HP Solution Center. The HP Solution Center window will open.
  • Open settings and then click Printer Toolbox.
  • Click on the Device Services tab, and then select the Clean Printheads option.
  • Click Clean to commence the cleaning process and then follow the on-screen instructions to complete it.
  • Once the cleaning process completes, a test page will be printed.

HP Officejet Pro 6978 Paper Jam Error

  • If your HP OfficeJet Pro 6978 printer stops feeding pages and a paper jam error displays on the printer’s touchscreen.
  • To rectify the jam and clear the error message, follow the steps below to fix the jam. On the printer’s touchscreen, touch OK to attempt to clean the jam automatically.
  • If the error persists, then lift the output tray and slide the input tray toward you. Remove all the loose and jammed paper stuck inside the input tray area.
  • Gently remove the paper without tearing down any paper.
  • Slide the input tray back into place.
  • Now Power off the printer, and disconnect the power cord, and then the other cables attached to it.
  • Now open the ink cartridge access door.
  • Remove any paper in the carriage and the ink cartridge access area.
  • Take out the gray handle of the paper path cover, lift it upward, and remove it. Remove any jammed paper from it and lift the flip gate.
  • Take out any jammed piece of paper.
  • Now re-install the ink cartridges and close the ink cartridge access door. Now lift the ADF cover and followed by the tab on the front edge of the ADF and remove any jammed pieces of paper.
  • Now connect the power cable and power on the printer.
  • Load papers in the input tray, and try to print the document again.
  • The paper jam error is now resolved.

Printer Validation Failed HP Officejet 6978

  • Unplug the USB cable from the printer.
  • Go to Control Panel and then open Programs and features.
  • Now select all the HP OfficeJet printer entries and uninstall them.
  • Go to Control Panel and then select Devices and Printer.
  • Select all the printer entries and remove the devices connected to it.
  • Press the Windows and R keys simultaneously to open the Run window.
  • Type printui.exe /s (There is a space between .exe & /) and press the Enter button.
  • Under Print Server properties, go to the drivers and remove any entry there as well.
  • Again, go to the Run window, and type – c:/programdata.
  • Go to the Hewlett Packard folder, delete any printer related folders & files.
  • Restart your Computer.
  • Now download the HP PSDR and install the software.
  • Plug in the USB cable if prompted and follow the on-screen instructions to complete the installation.
  • The above steps will help you resolve the HP Officejet Pro 6978 Troubleshooting issue.

HP Officejet Pro 6978 Cartridge Problem

  • To resolve an ink cartridge error, you can reset the printer.
  • Turn the 123.hp.com/ojpro6978 printer ON.
  • Wait until the device is idle and silent before you continue with the process. With the device turned on, detach the power cable from the back of the printer.
  • Detach the power cable from the electrical outlet.
  • Wait for a few seconds.
  • Connect the power cable back into the electrical outlet.
  • Plug the power cable to the rear of the printer.
  • Turn on the printer, if the device does not automatically turn on.
  • Wait until the device is idle and silent before you proceed.
  • Try to print a test page and the cartridge error is now resolved.

HP 6978 Printer Offline

  • Follow the steps below to bring your printer from offline to online.
  • Open Control Panel and then go to the Devices and Printer.
  • Under the printer tab, select your HP 6978 printer.
  • Right-click on it and choose the Set as Default option.
  • Now again right-click on the printer, then click Printer properties.
  • HP 6978 Pro Printer Properties will be open.
  • Now click on the Ports tab.
  • Left click on the Configure ports option.
  • Untick the SNMP status enabled option.
  • Now click the OK option and close the other windows.
  • Restart the computer.
  • Power cycle the printer.

HP Officejet Pro 6978 Cartridge Problem

  • To resolve an ink cartridge error, you can reset the printer.
  • Turn the printer ON.
  • Wait until the device is idle and silent before you continue with the process.
  • With the device turned on, detach the power cable from the back of the printer.
  • Detach the power cable from the electrical outlet.
  • Wait for a few seconds.
  • Connect the power cable back into the electrical outlet.
  • Plug the power cable to the rear of the printer.
  • Turn on the printer, if the device does not automatically turn on.
  • Wait until the device is idle and silent before you proceed.
  • Try to print a test page and the cartridge error is now resolved.

HP 6978 Printer Offline

Follow these simple guidelines to set up the HP 6978 on your Windows computer.

  • Follow the steps below to bring your printer from offline to online.
  • Open Control Panel and then go to the Devices and Printer.
  • Under the printer tab, select your HP 6978 printer.
  • Right-click on it and choose the Set as Default option.
  • Now again right-click on the printer, then click Printer properties.
  • HP 6978 Pro Printer Properties will be open.
  • Now click on the Ports tab.
  • Left click on the Configure ports option.
  • Untick the SNMP status enabled option.
  • Now click the OK option and close the other windows.
  • Restart the computer. Power cycle the printer.

Disclaimer

123-hp-ojpro6978.com has the information which is true to the best of our knowledge. We provide instructions that support all brands of printers, and we operate independently. The site is developed to assist the users in all aspects regarding the issues in any brands of printers. We are a third-party service provider and not related to the printer manufacturers in any way.

HP Officejet Pro 6978 Printer Support