Hi envy 6400e series E0

[Cathy147]

I changed the ink cartridge and I'm still getting an E0 error. 

[A_Gayathri]

Hi @Cathy147,

Welcome to The HP Support Community.  

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

I understand the E0 error on your HP Envy 6400e series printer typically indicates that there is an issue with the ink cartridge. Here’s what you can try to resolve it:
 

• Check the Cartridge Installation: Ensure that the ink cartridge is correctly installed. Open the printer’s access door, remove the cartridge, and then reinsert it firmly back into place.
• Reset the Printer: Sometimes, resetting the printer can resolve temporary issues. Turn off your printer, unplug it from the power source, wait for about 60 seconds, and then plug it back in. Turn the printer back on and check if the error persists.
• Clean the Cartridge Contacts: If the cartridge contacts are dirty or covered with ink residue, it can cause communication errors. Remove the ink cartridge and gently clean the contacts with a lint-free cloth or cotton swab lightly moistened with distilled water. Make sure the contacts are dry before reinstalling the cartridge.
• Use Genuine HP Cartridges: Ensure you are using genuine HP ink cartridges. Non-HP or refilled cartridges may not work properly and can cause errors.
• Update Printer Firmware: Check if there are any firmware updates available for your printer. Updating the firmware can sometimes resolve compatibility issues with new cartridges. Update the firmware on an HP printer

Refer to this document: HP ENVY 6400e All-In-One Printer series

HP DeskJet, ENVY 6000, 6400 - Blinking lights and error codes 

I hope this helps. 

Take care and have a good day.

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