when I try to print, a flashing white symbol comes up . It is EI

[SDM1952]

When I try to print, an error message starts blinking. It is white lights and the message is EI

[Anand_Andy]

Hi @SDM1952,

Welcome to the HP Support Community

I understand you are facing an issue with your HP ENVY Pro 6458 All-In-One Printer. Not to worry I will help you to get a resolution to resolve the issue.

• An E1 or E2 error indicates the paper size setting does not match the paper size loaded in the input tray.
• Load the correct size paper or change the print settings, and then press the Cancel button . 
• Go to HP Printers - Paper Mismatch error (Windows, Mac) for more information.

To assist better:

• Does a copy work fine?
• what operating system is running on your PC and what's the current version?
• What is the paper type you are using to print?
• What application are you trying to print from?

While you respond to that, Let's perform a power drain: 

• With the printer turned on, disconnect the power cord from the rear of the printer and also unplug the power cord from the wall outlet.
• Remove USB cable, if present.
• Wait for 2-3 minutes, press and hold the power button on your printer for about 30 seconds to remove any additional charge.
• Now plug back the power cable straight to a wall outlet without any surge protector or an extension cord (This is important) and then plug back the power cord to the printer.
• Turn on the printer and wait till warm-up period finishes and the printer is idle

Update the printer firmware 

• Click here to download and install the latest printer firmware from your product
• Click here to know different methods of updating printer firmware.

If the issue persists, then please follow the steps mentioned in this document: HP DeskJet, ENVY 6000, 6400 - Blinking lights and error codes

Hope this helps! Keep me posted. 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!