Canon Color imageCLASS MF8170c Software Manual page 235

Cannot use the software after upgrading to Windows XP/Server 2003.
Q
A
In [Device Manager], green mark "?" is displayed (Windows Me).
Q
A
5
5-12
Installing and Uninstalling Problems
Have you upgraded Windows 98/Me/2000 to Windows XP/Server 2003 without
removing the software?
Remove the software (see "Uninstalling and Reinstalling the Software," on p.
1-21), then reinstall it. (See "Installing Software on Your Computer," on p. 1-4.)
Is green mark "?" displayed on [USB Composite Device] in [USB (Universal
Serial Bus) Controller] in [Device Manager] in Windows Me?
As this is not a problem, you can continue to use it as is.