Error Code

[kerilyn29]

I have an Error code 

OXB91EB780

It says there's a jam can't find it

Tells me to check cartridges

[Garp_senchau]

@kerilyn29, Welcome to the HP Support Community! We're stoked to have you on board! 

To help us get started on resolving your issue, could you please share your HP unit's product number with us? 

Need help finding your product number? We've got you covered! Check out this handy guide:  Click here

Meanwhile, you can try these steps: 

Restart the Printer

1. Turn off the printer.
2. Unplug the power cord from the back of the printer.
3. Press and hold the power button for 30 seconds.
4. Wait for 60 seconds and connect the power cord back in.
5. Turn on the printer.

Run HP Smart:

• Download and run the HP Smart. Follow the prompts to diagnose and fix common printing issues.
• Refer: Use Diagnose & Fix in HP Smart to repair common printing issues (Windows, macOS) | HP® Support

Update Printer Firmware (Update the firmware on an HP printer | HP® Support)

• Go to the HP Customer Support - Software and Driver Downloads page. Enter your printer model number and search for the latest firmware update. Follow the instructions to download and install the firmware update.

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,