This one does pretty much exactly what it says on the tin. You'll need these HP Deskjet 2540 drivers if you own an HP Deskjet 2540 but don't have the correct drivers.
These Drivers are Essential
If you've found that your HP Deskjet 2540 isn't running correctly or isn't running at all then it may be your lack of HP Deskjet 2540 Drivers that is causing the problem. Without the proper drivers your devices won't run and that can be a serious pain. As with any device that can be connected to your computer your printer requires drivers to run correctly.
If You Don't Have These Drivers You Can't Print!
What use is having an HP Deskjet 2540 if you can't use it to print? Without the HP Deskjet 2540 drivers contained in this download your printer will just be gathering dust. Make sure you have drivers installed for all of your physical devices especially your HP Deskjet 2540. This package only contains the HP Deskjet 2540 Drivers other drivers for other devices can be searched for using Google or any other reputable search engine.