Canon iP4700 SERIES On-Screen Manual page 363

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 printer and is connected to the computer, and then follow
the procedure below to reinstall the printer driver.
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 printer driver.
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 printer 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 printer driver.
In other cases:
Follow the procedure described in your setup manual for proper installation.
If the driver was not installed correctly, uninstall the printer driver, restart your computer, then reinstall
the driver.
Deleting the Unnecessary Printer Driver
If you reinstall the printer driver, perform Custom Install on the Setup CD-ROM , then select IJ Printer
Driver.
Note
If the installer was forced to be terminated due to a Windows error, the system may be in an
unstable condition and you may not be able to install the driver. Restart your computer before
reinstalling.
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