Canon PIXMA MP250 - Manual (Page 578)

If you are unable to proceed beyond the Printer Connection screen, make sure that the USB cable is
securely plugged into the USB port of the machine and is connected to the computer, and then
follow the procedure below to reinstall the MP Drivers.
Note
In Windows Vista, The printer is not detected. Check the connection. may be displayed
depending on the computer you use. In this case, wait for a while. If you still cannot proceed to
the next step, follow the procedure below to reinstall the MP Drivers.
1. Click Cancel on the Printer Connection screen.
2. Click Start Over on the Installation Failure screen.
3. Click Back on the screen that appears next.
4. Click Exit on the PIXMA XXX screen, then remove the CD-ROM.
5. Turn the machine off.
6. Restart the computer.
7. Make sure that you have no application software running.
8. Insert the CD-ROM again, then perform Easy Install to install the MP Drivers.
In other cases:
Follow the procedure described in your setup manual to reinstall the MP Drivers.
If the MP Drivers were not installed correctly, uninstall the MP Drivers, restart your computer, and
then reinstall the MP Drivers.
Deleting the Unnecessary MP Drivers
Page 578 of 678 pages Cannot Install the MP Drivers