Meaning of Error Code OX83C0002A and OX83C0002B NOS_LOADER_APP

[justingagliano]

Hi.  My printer is flashing "Error Code OX83C0002A NOS_LOADER_APP".  Anyone know what this means and how to fix the issue.  

[Garp_senchau]

@justingagliano, Welcome to HP Support Community,

Thank you for posting your query; I’m here to help by guiding you through steps to resolve this issue

The error code OX83C0002A NOS_LOADER_APP on your HP OfficeJet 4650 printer indicates a firmware or software failure. Here are the steps you can take to try to resolve this issue:

Reset the Printer:

• Turn off the printer and unplug it from the power source.
• Wait for about 60 seconds.
• Plug the printer back in and turn it on.

Update Firmware:

• Ensure your printer's firmware is up to date. Check the HP website for any available firmware updates for your OfficeJet 4650 model.
• Update the firmware on an HP printer | HP® Support

Run HP Print and Scan Doctor (Windows only):

• Download and run the HP Print and Scan Doctor tool. Follow the prompts to diagnose and fix common printing issues.

Also, you may refer to this guide: HP Inkjet printers - Printhead errors | HP® Support

I hope this helps.

Please feel free to reply here if you have any questions or if you need further clarification on any of the steps. 

Take care and have a good day. 

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Regards,