Blue Ink not printing. Have replaced cartridge and cleaned mulitple times

[Kiteproperties]

I have a HP Office JEt Pro 8020 series.  The blue cartridge is not printing.  I have replaced all cartridges and followed the printer head cleaning instructions to the T.  The Blue does not print

[A_Gayathri]

Hi @Kiteproperties ,

Welcome to The HP Support Community.  

Thank you for posting your query, I will be glad to help you.

I understand you've tried many of the common troubleshooting steps already. 

Here are a few more steps you can take to try and resolve the issue with your HP OfficeJet Pro 8025 All-In-One Printer:

Step 1: Check the Cartridges and Printhead

Remove the Blue Cartridge:

• Ensure that you are using genuine HP cartridges.
• Check the cartridge for any protective tape that may not have been removed.
• Inspect the cartridge for any visible damage.

Clean the Contacts:

• Turn off the printer and unplug it.
• Remove the blue ink cartridge.
• Use a lint-free cloth lightly moistened with distilled water to gently clean the electrical contacts on the cartridge and in the printer.
• Allow the contacts to dry completely before reinserting the cartridge.

Step 2: Perform an Extended Printhead Cleaning

1. Use the Printer's Maintenance Tools:
   • Go to the printer's control panel.
   • Navigate to the Setup or Settings menu.
   • Select Printer Maintenance or Tools.
   • Choose the option to Clean Printhead. Perform the cleaning cycle several times if necessary.

Step 3: Print a Diagnostic Page

1. Print a Print Quality Diagnostic Report:
   • Go to the printer's control panel.
   • Navigate to the Setup or Settings menu.
   • Select Reports or Printer Reports.
   • Choose Print Quality Report or Print Quality Diagnostic Report.
   • Examine the report to identify any specific issues with the blue ink.

Step 4: Manually Clean the Printhead

Remove the Printhead (if possible):

• Turn off the printer and unplug it.
• Open the printer and remove all ink cartridges.
• Depending on your printer model, you may be able to remove the printhead. Refer to the printer's manual for instructions.

Clean the Printhead:

• Use distilled water and a lint-free cloth to gently clean the printhead nozzles.
• Be very careful and avoid touching the nozzles directly with your fingers.

Step 5: Align the Printer

1. Align the Printhead:
   • Go to the printer's control panel.
   • Navigate to the Setup or Settings menu.
   • Select Printer Maintenance or Tools.
   • Choose the option to Align Printhead or Align Printer.

Step 6: Update the Printer Firmware Update the firmware on an HP printer

1. Check for Firmware Updates:
   • Go to the HP Support website.
   • Search for your printer model and check if there are any firmware updates available.
   • Follow the instructions to update your printer's firmware.

Refer to this document: HP OfficeJet Pro 8025 All-in-One Printer User manual 

I hope this helps. 

Take care and have a good day.

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