Fix HP OfficeJet Pro 6978 Not Printing Black?

This HP 6978 printer is packed with numerous features. It is an all-in-one printer having an auto-duplexing automatic document feeder (ADF). It produces high-quality text, graphics, documents, and photos. It is best used for low to medium-volume printing in small or medium-sized workplaces.

This all-in-one wireless printer has many functions such as copying, scanning, faxing, and two-sided printing. hp officejet pro 6978 not printing black, The printing technology consists of HP thermal inkjet, with a resolution of up to 600 x 1200 dpi in black and color.

The printing speed of black (ISO) is up to 20 pages ppm, color (ISO) is up to 11 pages ppm, while in a draft in black, it is 30 pages ppm, and in color, it is up to 26 pages ppm. The duty cycle is 20,000 pages monthly.

Now as we know the HP Office Jet Pro 698 can print in black as well as in color. Sometimes you can face minor problems with printing which is normal because none of us are experts with machines, so you need not worry as we have covered for you.

Simple Steps of How to Fix HP Officejet Pro 6978 not Printing Black:

Step 1: Remove Cartridge Blockage You can Face Some Problems with the Printer Head.

This can be the reason for your blockage and that is why your printer may not be printed in black. You can simply go through these simple steps for a solution :

• You first need to switch on your HP printer.
• Then open the printer's cartridge panel.
• Your printer head will reset itself.
• Then remove the color units and printer head
• If it is installed below color units, you have to clean the printer head.
• If the ink from the color units has obstructed the vent, you need to clean it with water and dry it with a soft cloth.
• After cleaning place back all your accessories to their respective places.
• Now check your printing quality and whether it is printing in black or color.

Step 2: Usage of Printer Tool Option

Test the Cartridge Ink

• Keep your printer in the Switch On mode and open up the hood of the cartridge panel.
• Now remove the ink cartridge and empty the cartridge.

• Now on the screen of the printer mark this sign (-).
• Then go to the side directional arrow and click on the tool option.
• Now click on the check cartridge ink level and select ok in the tool option.

Using the Self-Regulating Cleaning Tool

• Go to the tool option, use the right arrow, and click on the print head cleaning option.
• The print head will clean itself.
• Once the process is completed you will get a test automatically.

Step 3: Remove the Defective Ink Cartridge and Alignment Process.

• Switch on your printer and open the printer panel and let the cartridge move to the center.
• Now take out the ink units and gently press them.
• Examine the expiry dates, if they have expired replace them. and place it back where it belongs.
• Now close the printer panel and check the screen, it will be showing some options such as printer alignment demo, paper loading, and calibrating color units.
• Click on ok for all the above information and the printer will carry on the alignment itself.
• Now place the test print on the scanner.
• All the information will come on the screen, click on ok.
• This will sort out your printing problem.

Conclusion

Printers are a blessing in disguise. Starting from your office presentation to your child’s school project, printers are the tool that will give you access to everything They are smart machines that are helpful in copying, printing, faxing, etc. with the help of a printer you can run your school, office, or any workplace errands quite easily and smoothly.