scanning multiple pages on a hp envy 7640

[gca93]

i am unable to scan multiple pages to one pdf file..... the add page button stays greyed out 

[sandytechy20]

@gca93

Welcome to HP support community.

Perform root level uninstallation to remove all the printer related software's.

• In Windows, search for and open Programs and Features.
• Select your HP printer.
• Select Uninstall.
• In Windows, search for and open Devices and Printers.
• In the Devices and Printers window look for your HP Printer. If you see it listed, right-click on it and choose "Delete" or "Remove Device.”
• Open up the run command with the "Windows Key + R" key combo.
• Type printui.exe /s and click OK.
• Click on Drivers tab.
• Look for HP Printer driver. If you see it click on it and click Remove at the bottom.
• Select OK.
• Remove all instances of the same.
• Select Apply and OK on the Print Server Properties windows.
• Close Devices and Printers. 
• Restart the PC again.

Download and install full feature driver

Click here to download the driver.

Update the printer firmware

Here are the steps:- Click here

I hope that helps.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.

Cheers.

[gca93]

Thank you 

Will try and get back to you. 

[sandytechy20]

@gca93

Yes, you can try the steps at your leisure and get back to us with the outcome.

I will be more than glad to assist you.

Cheers.