Canon PIXMA MP450 MP450 User's Guide - Page 115

Cannot Connect To PC Properly, When You Connect To A Computer Running Windows XP, The Screen - driver windows 8

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Cause The computer has an old version of the software installed. (Canon MultiPASS is registered as a program in the [Start] menu.) Installation procedure not followed correctly. Action Uninstall the old version of the software following the instructions in the manual of that version, and reinstall the new version. Follow the Easy Setup Instructions packaged with your machine for proper MP driver installation. If the MP driver was not installed correctly, uninstall the MP driver, and restart your computer. Try to reinstall the MP driver. If the installer was forcibly terminated due to an error, Windows may be unstable. Remove the CD-ROM from the CD-ROM drive and restart your computer. Reinstall the MP driver. Cannot Connect To PC Properly „ Printing Speed Is Slow/USB 2.0 Hi-Speed Connection Does Not Work Cause Your environment is not fully compatible with USB 2.0. Action If your environment is not fully compatible with USB 2.0, the machine will operate at the lower speed provided under USB 1.1. In this case, the machine operates properly but printing speed may be slower due to the communication speed. Check the following to ensure that your Computer environment supports USB 2.0 Hi-Speed connections. z The USB port on your Computer 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 a cable no longer than 3 meters. z Your Computer supports the USB 2.0 Hi-Speed connection. Obtain the latest version of the USB 2.0 Hi-Speed driver and install it on your Computer. 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 Computer. „ When You Connect To A Computer Running Windows XP, The Screen Shows The Warning Message "High-Speed USB Device Plugged Into Non-High-Speed USB Hub" Cause Action You connect to a computer that does Your environment is not fully compatible with USB 2.0. not support USB 2.0 Hi-Speed. See "Printing Speed Is Slow/USB 2.0 Hi-Speed Connection Does Not Work" on page 113. Chapter 11 Troubleshooting 113

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Chapter 11
113
Troubleshooting
Cannot Connect To PC Properly
Printing Speed Is Slow/USB 2.0 Hi-Speed Connection Does Not Work
When You Connect To A Computer Running Windows XP, The Screen
Shows The Warning Message “High-Speed USB Device Plugged Into
Non-High-Speed USB Hub”
The computer has an old version of
the software installed. (Canon
MultiPASS is registered as a
program in the [Start] menu.)
Uninstall the old version of the software following the instructions in the
manual of that version, and reinstall the new version.
Installation procedure not followed
correctly.
Follow the
Easy Setup Instructions
packaged with your machine for
proper MP driver installation.
If the MP driver was not installed correctly, uninstall the MP driver, and
restart your computer. Try to reinstall the MP driver.
If the installer was forcibly terminated due to an error, Windows may be
unstable. Remove the CD-ROM from the CD-ROM drive and restart your
computer.
Reinstall the MP driver.
Cause
Action
Your environment is not fully
compatible with USB 2.0.
If your environment is not fully compatible with USB 2.0, the machine will
operate at the lower speed provided under USB 1.1. In this case, the
machine operates properly but printing speed may be slower due to the
communication speed.
Check the following to ensure that your Computer environment supports
USB 2.0 Hi-Speed connections.
The USB port on your Computer supports USB 2.0 Hi-Speed
connection.
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 a cable no longer than 3 meters.
Your Computer supports the USB 2.0 Hi-Speed connection.
Obtain the latest version of the USB 2.0 Hi-Speed driver and install it on
your Computer.
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 Computer.
Cause
Action
You connect to a computer that does
not support USB 2.0 Hi-Speed.
Your environment is not fully compatible with USB 2.0.
See “Printing Speed Is Slow/USB 2.0 Hi-Speed Connection Does Not
Work” on page 113.
Cause
Action