Cannot Connect to Computer Properly

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

Cause

Action

Your system environment is not fully compatible with USB 2.0 Hi-Speed.

If your system environment is not fully compatible with USB 2.0 Hi-Speed, the machine will operate at a lower speed provided under USB 1.1. In this case, the machine operates properly but printing speed may slow down due to communication speed.

Check the following to ensure that your system environment supports USB 2.0 Hi-Speed connection.

zThe USB port on your computer supports USB 2.0 Hi-Speed connection.

zThe USB cable, and the USB hub if you are using one, support USB 2.0 Hi- Speed connection.

Be sure to use a certified USB 2.0 Hi-Speed cable. We recommend the cable to be no longer than around 10 feet / 3 meters.

zThe operating system of your computer supports USB 2.0 Hi-Speed connection.

Obtain and install the latest update for your computer.

zThe USB 2.0 Hi-Speed driver operates properly.

Obtain the latest version of the USB 2.0 Hi-Speed driver compatible with your hardware and install it on your computer.

Important

For details on USB 2.0 Hi-Speed of your system environment, contact the manufacturer of your computer, USB cable, or USB hub.

„“This device can perform faster” Message Is Displayed

Cause

Action

Your system environment is not fully compatible with USB 2.0 Hi-Speed.

78Troubleshooting