If you reinstall the printer driver, install the printer driver with the Setup CD-ROM, or access our website to download the printer driver.
If the driver was not installed correctly, uninstall the printer driver, restart your computer, then reinstall the driver. Choose your operating system that matches your version of Windows. Enter your printer name in the Find My Product box.
Go to Canon PIXMA E400 official website and click on the Download drivers button. This is the method that you can install Canon PIXMA E400 printer without CD (disc).
How do I install my Canon E400 printer without the CD?