60 Troubleshooting
Cannot Connect to Computer Properly
Printing Speed Is Slow / USB 2.0 Hi-Speed Connection Does Not Work
“This device can perform faster” Message Is Displayed
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.
z The USB port on your computer supports USB 2.0 Hi-Speed connection.
z The 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.
z The operating system of your computer supports USB 2.0 Hi-Speed
connection.
Obtain and install the latest update for your computer.
z The 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.
Cause Action
Your system environment is not fully
compatible with USB 2.0 Hi-Speed.
Your system environment is not compatible with USB 2.0.
See “Printing Speed Is Slow / USB 2.0 Hi-Speed Connection Does Not Work”
above.