HP ink pack reloaded all but the cyan. printer says it is a bad cartridge

[wkj70]

Loaded new 4 pack of HP ink cartridges but the cyan won't load.  printer says it's defective.

[VikramTheGreat]

Hi @wkj70,

Welcome to the HP Support Community.
 

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

I understand your HP OfficeJet Pro 8600 e-All-in-One Printer (N911a) is showing a “defective cyan cartridge” error after installing a new HP cartridge. Here are some steps to help resolve the issue:

Troubleshooting Steps

1. Power Reset the Printer
   • Turn off the printer and unplug it from the power source.
   • Wait for 60 seconds, then plug it back in and turn it on.
      
2. Remove and reinsert the Cyan Cartridge
   • Open the cartridge access door.
   • Remove the cyan cartridge and gently clean the copper contacts with a lint-free cloth.
   • Reinsert it firmly until it clicks into place.
      
3. Check Cartridge Authenticity
   • Make sure you're using a genuine HP 951 or 951XL Cyan cartridge, which is compatible with the OfficeJet Pro 8600 series.
   • You can verify authenticity using the QR code on the cartridge or via the HP Cartridge Authentication Tool.
      
4. Try a Different Cartridge (if available)
   • If you have another cyan cartridge (even a used one), try inserting it to see if the error clears.
   • This helps determine if the issue is with the cartridge or the printer.
      
5. Update Printer Firmware
   • Outdated firmware can sometimes cause cartridge recognition issues.
   • Visit the HP Officejet Pro 8600 e-All-in-One Printer - N911a | HP® Support to download the latest firmware.
      
6. Use HP’s Cartridge Troubleshooter
   • HP provides a dedicated guide for cartridge errors:
     👉 HP ink cartridge issues including, incompatible, missing and not recognized errors | HP® Support

I hope this helps.

Take care and have a good day.

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VikramTheGreat

HP Support