Shows supply system problem for black cartridge. I replaced it and no change

[FP_PI]

Shows supply system problem for black cartridge. I replaced it and no change

[Max3Aj]

@FP_PI, Welcome to HP Support Community. 

Thank you for posting your query, I will be glad to help you. 
Here’s a step-by-step guide to help resolve the “Supply System Problem” error for the black cartridge on your HP OfficeJet Pro 8710 All-in-One Printer, even after replacing the cartridge:

Reset the Printer

• Turn off the printer using the Power button.
• If it doesn’t turn off, unplug the power cord from the back.
• Wait 60 seconds.
• Plug the power cord directly into a wall outlet (not a surge protector).
• Turn the printer back on.

Check the Cartridge Vent

• Open the cartridge access door.
• Remove the black cartridge.
• Inspect the vent area (small slit on top of the cartridge).
• If clogged with adhesive or debris, gently clean it using a pin or paperclip.
• Reinsert the cartridge and ensure it clicks into place.

Use Genuine HP Cartridges

• Ensure the cartridge is a genuine HP black ink cartridge. Which cartridges work with my HP printer? | HP® Support
• Non-genuine or refilled cartridges can trigger supply system errors.

Try a Different Cartridge

• If available, try inserting a different black cartridge (even a used one) to check if the issue is with the cartridge or the printer.

Update Printer Firmware

• Go to HP Software and Drivers and check for the latest firmware.
• Install any available updates.

Clean the Printhead

• Use the printer’s control panel:
  • Tap Setup > Printer Maintenance > Clean Printhead.
• Follow on-screen instructions.

I hope this helps. 

Take care and have a good day. 

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Max3Aj

HP Support