HP Officejet Pro 6978 Troubleshooting

Perform a hard reset to HP Officejet Pro 6978 troubleshooting printer issues. Doing a reset will resolve most printer issues. Paper jam is the standard issue faced by people while performing the print operation. If the paper jam error occurs on your printer, then check the input & output trays for the jammed paper. If you locate any jammed paper in the input and output tray, clear it. The HP Print & Scan Doctor software will help to resolve the scan, print, and fax issues. Replace or refill the ink cartridges if the cartridge is empty or low. Uninstall & reinstall the printer driver, if the printer does not print black or tri-color ink.

hp officejet pro 6978 troubleshooting

HP Officejet Pro 6978 Not Printing Black

  • Remove & reinstall the printer driver.
  • To uninstall the print driver, disconnect all the power cables from the printer.
  • Search for Programs & Features on your Windows system.
  • Select your printer name from the list of installed programs and click Uninstall.
  • Go to Control Panel, click Devices & Printers, right-click on your printer, and select Remove Device or Uninstall device.
  • Now, reinstall the print driver from the manufacturer’s site.
  • Cleaning the printhead also resolves this issue with HP Officejet Pro 6978 troubleshooting.
  • To do so, switch on your printer.
  • Click the Setup menu and then open the Printer Maintenance option.
  • Touch the Clean Printhead option and press Done.
  • Check the estimated ink levels of the ink cartridge.
  • Touch the Ink Level icon on the printer’s control panel.
  • Check the estimated ink level displayed on the printer.
  • Replace low or empty ink cartridge from the printer.
  • Open the ink cartridge access door.
  • Once, the carriage moves to the center, press the top of the cartridge to release it from the slot.
  • Take a new ink cartridge out of the package and remove the protective tape from it.
  • Place the cartridge into the slot and gently press it.
  • Close the ink cartridge access door after replacing the cartridge.

HP Officejet Pro 6978 Printhead Problem

  • Clean the printhead to resolve this issue.
  • Get a clean, lint-free cloth dipped in distilled water to wipe the printhead.
  • Open the cartridge access door. The carriage moves to the left of the printer.
  • Remove the ink cartridge from the printer and the printer becomes idle and silent.
  • Press the top of the ink cartridge to release it.
  • Pull the ink cartridge to remove it from the slot.
  • Dip the lint-free cloth in distilled water.
  • Wipe the contacts inside the printhead by using a cotton swab, and then carefully insert the ink cartridges into the slot.
  • Close the cartridge access door and try to print.
  • If the error continues, clean the ink cartridge contacts for the second time.
  • If the error persists after cleaning the printhead for the second time, then reset the printer.
  • Switch on your printer. Disconnect the power cables while the printer is on.
  • Hold the Power button for one minute.
  • Release the button, reconnect the power cable, and turn on the printer.

HP Officejet Pro 6978 Paper Jam Error

  • Check if the carriage can move freely. If not, check if any paper is restricting the carriage movement.
  • Start the HP Officejet Pro 6978 troubleshooting method by switching your printer ON.
  • Open the cartridge access door. Wait for the carriages to move the center or access area.
  • Disconnect all the power cables while the printer is powered ON.
  • Take the power cord out of the wall outlet.
  • Using a flashlight, check for any paper pieces inside the cartridge.
  • Remove the paper from the cartridge, if you find any.
  • Move the carriage to the right of the printer, if it is stuck in the left.
  • Similarly, move the carriage to the left of the printer, if the stuck is in the right.
  • Close the cartridge access door and try a test print.

HP Officejet 6978 Printer Validation Failed

  • Uninstall & reinstall the printer driver on your system.
  • Try a hard reset if the error continues.
  • Make sure to connect the printer’s power cable to the wall outlet directly.
  • Avoid connecting the power cables using a surge protector.
  • Now, disconnect all the power cables from the printer.
  • Make sure to remove the power cables from the printer when it is in a ready state.
  • Ensure that you have removed the power and USB cable if present.
  • Leave the printer disconnected for two to three minutes, and then press & hold the power button for 30 seconds. While you press & hold the power button for 30 seconds, the additional charge remaining inside the printer is released.
  • After 30 seconds back the power cables back to the printer. Power on the printer.
  • Wait for the printer to be idle and silent.
  • Install the ink cartridges and load paper into the input tray.
  • Try to perform the Print operation if the error is resolved.

HP Officejet Pro 6978 Won’t Scans

  • Download and install the HP Print & Scan Doctor tool on your system to resolve the scan issue.
  • Click the Fix Scanning option to test your scanner.
  • Go with the HP Officejet Pro 6978 troubleshooting instructions displayed on the screen to fix this issue.
  • If the error continues even after running the HP Print & Scan Doctor software, uninstall & reinstall the printer software on your system.
  • Check whether the Windows Image Acquisition (WIA) setting is enabled. The WIA helps you communicate between the computer and the scanner. If the WIA option is disabled, then there is a chance for scan operation to fail.
  • Open View Local services on your system, scroll down the screen and select the WIA option.
  • If the WIA is disabled, right-click on it, and select Properties.
  • Click the General tab, select the Automatic option, and then tap the Start button.
  • Try a test scan.

HP Officejet Pro 6978 Fax Problems

  • Check if the fax setup is done correctly.
  • Print a fax test report from the printer’s control panel.
  • Review the report, if the issue is resolved, perform the Fax operation.
  • Check the Fax receiving settings option on your printer’s control panel.
  • Ascertain that the Turn Auto Answer option is enabled. If this option is disabled, then enable it in the Fax or Setup menu.
  • Set the ring type and number of rings to answer incoming faxes.
  • Check the connection. If there is a problem with the phone line, then resolve it.
  • Make sure to use the fax cord that came with your printer.
  • Remove the answering machines, modems, or other devices that are connected.
  • Restore the fax setting. After doing so, run the fax setup wizard.
  • Reset the printer. Remove the power cables from the printer while it is in a ready state.
  • Leave the printer disconnected for 30 seconds.
  • Reconnect the power cable, power on your printer, and try test fax.
  • Use an online fax service app to perform the Fax operation from your cell phone. Need more information for HP Officejet Pro 6978 troubleshooting, start connect with our tech experts now.