Canon PIXMA Pro9000 Benutzerhandbuch

Troubleshooting

Cannot Connect to PC Properly

Problem

Possible Cause

Try This

Printing Speed Is
Slow / USB 2.0
Hi-Speed
Connection Does
Not Work

Your environment is
not fully compatible
with USB 2.0.

If your environment is not fully compatible with USB 2.0, the printer will operate at
a lower speed provided under USB 1.1.
Check the following to ensure that your PC environment supports USB 2.0 Hi-
Speed connection.
z The USB port on your PC supports USB 2.0 Hi-Speed connection.
z Both the USB cable and USB hub support USB 2.0 Hi-Speed connection.

Be sure to use a certified USB 2.0 Hi-Speed cable. You are recommended to use
the cable no longer than 3 meters.

z Your PC supports the USB 2.0 Hi-Speed connection.

Obtain the latest version of the OS update program and install it on your PC.

z The USB 2.0 Hi-Speed driver operates properly.

Obtain the latest version of the USB 2.0 Hi-Speed driver and install it on your
PC.

For details on checking the above, contact the maker of your
computer, USB cable, or USB hub.

When you
connect to a
computer
running Windows
XP, the screen
shows the
warning message
“Hi-speed USB
device plugged
into non-hi-speed
USB hub” or
“This device can
perform faster”

Your environment is
not fully compatible
with USB 2.0.

See

“Printing Speed Is Slow / USB 2.0 Hi-Speed Connection Does Not Work”

page 64.