Cartridges not communicating with printer

[JC7775]

HP ENVY Photo 7858 "Cartridge not communicating correctly with the printer "

Printer re-set by unplugging, cartridge connectors cleaned, new cartridges bought. No solution.

[Sneha_01]

Hi @JC7775,

Welcome to HP Support Community.

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

Error 79 on your M234dwe printer can be quite frustrating, but there are a few troubleshooting steps you can try to resolve it:

Check Connections: Ensure all cables are securely connected between your printer and the power source, as well as any network or USB connections.

Update Firmware: Since you provided the firmware datecode, it seems like your printer's firmware is up to date. However, sometimes re-updating the firmware can help. You might want to check the HP website for any newer firmware versions or patches specifically addressing Error 79.

Reset the Printer: You've already tried powering off and unplugging the printer, which is a good first step. However, also try removing any additional accessories like extra memory or optional trays (if any), then power the printer back on.

Check for Paper Jams: Even if there's no visible jam, sometimes a tiny piece of paper or debris can cause issues. Open all accessible doors and carefully inspect for any obstructions.

Reset Printer Settings: Sometimes corrupted settings can lead to Error 79. Try resetting the printer to its factory defaults. This option is typically found within the printer's menu system.

I hope this helps.

Take care and have a good day.

Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.

Rachel571

HP Support

[JC7775]

I have done everything you mentioned again, including looking for a paper jam. I cleaned the paper rollers and all the cartridge connectors again.

All is set to default again and nothing.

I did notice that it is the black cartridge that it's unable to register as I get correct reading on the color cartridge, but nothing on the black. Not nothing as in empty, but no cartridge registered.

[Sneha_01]

Hi @JC7775 ,

We apologize for the inconvenience, but it seems that the issue needs a hardware repair.

Unfortunately, there are no further actions we can take through this channel. I recommend reaching out to our phone support for further assistance.

They can help you with the unit repair or part replacement.

I request you talk to HP Phone Support and they will help you to sort it out as it requires advance support or repair.

1. Click on this link -  https://support.hp.com/us-en

2. Select the country.

3. Enter the serial number of your device.

4. Select the country from the drop-down.

5. Click on "Show Options".

6. Fill out the web form. A case number and phone number will now populate for you.

Please feel free to contact us here anytime you need any further assistance.

Have a great day!

Rachel571 

HP Support