Ink

[Pam1949Z]

Hi I have just replaced colour and black inks. The colour is perfect but the black isn't registering.

Please can you help?

[Raj_05]

Hi @Pam1949Z,

Welcome to HP Support Community.

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

If your HP DeskJet 2721e All-in-One Printer is not registering the black ink after replacing the cartridge, here are some steps you can take to troubleshoot the issue.

Check the Ink Cartridge Installation:

• Ensure the black ink cartridge is properly installed in the printer.
• Open the printer’s cartridge access door and remove the black ink cartridge. Reinsert it firmly into the correct slot, ensuring it clicks into place.

Clean the Ink Cartridge Contacts:

• Turn off the printer and unplug it from the power source.
• Remove the black ink cartridge.
• Using a lint-free cloth slightly dampened with distilled water, gently clean the electrical contacts on the cartridge and the corresponding contacts inside the printer.
• Allow the contacts to dry for a few minutes before reinserting the cartridge and closing the access door.

Run a Printer Test Page:

• Turn on the printer and print a test page to see if the black ink is working.
• You can usually do this via the printer’s control panel or through the printer settings on your computer.

Align the Printer:

• Aligning the printer can sometimes resolve issues with ink cartridges not being recognized or printing incorrectly.
• Use the printer software or the printer’s control panel to run an alignment process.

Update or Reinstall the Printer Drivers:

• Ensure your printer drivers are up to date. Outdated drivers can sometimes cause issues with ink cartridges.
• Visit the HP Support website to download the latest drivers for your printer model.

Perform a Hard Reset:

• Turn off the printer, unplug it from the power source, and wait for about a minute.
• Plug it back in, turn it on, and try printing again.

Check for Firmware Updates:

• Sometimes, a firmware update can resolve issues with the printer not recognizing ink cartridges.
• Check for updates via the printer software or the HP website.

I hope this helps.

Take care and have a good day.

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Alden4

HP Support