My printer has an error message - unable to print. Problem has occurred.

[WendySir]

Blue light is on, paper is good, ink is good. 

[zoey7886]

@WendySir, Welcome to the HP Support Community!  

Thanks for reaching out about your query regarding Printer Error: Unable to Print! 

We're thrilled to have the opportunity to assist you and provide a solution.  

When encountering an error message stating "Unable to Print" even though the ink, paper, and power seem good, there are various steps you can follow to resolve this issue. Below are general troubleshooting steps for HP Designjet printers:

General Checks:

1. Restart the Printer: Turn off the printer using the power button, then turn it back on. This can sometimes clear error messages.
2. Check Connections: Ensure that all cables (power, USB, Ethernet) are securely connected.
3. Software and Driver Updates: Make sure that your printer drivers and firmware are up-to-date. You can download the latest versions from the HP support website.

Front-Panel Error Messages:

1. Specific Error Codes: If your printer displays a specific error code, refer to the HP support documentation to resolve it. For instance, codes related to ink cartridges or printheads should be addressed by reseating or replacing the affected components.

Paper Issues:

1. Paper Settings: Ensure that the correct paper type and size settings are selected in the printer menu.

Printer Status Lights:

1. Blue Light: The blue light typically indicates a network or connection status. Verify that the printer is correctly connected to your network or computer.  

Hope this helps! 

Take care, and have an amazing day!  

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Regards,