Cannot Connect to Computer ProperlyPrinting Speed Is Slow / USB 2.0 Hi-Speed Connection Does Not WorkCause ActionYour systemenvironment is not fullycompatible with USB2.0 Hi-Speed.If your system environment is not fully compatiblewith USB 2.0 Hi-Speed, the machine will operateat a lower speed provided under USB 1.1. In thiscase, the machine operates properly but printingspeed may slow down due to communicationspeed.Check the following to ensure that your systemenvironment supports USB 2.0 Hi-Speedconnection.The USB port on your computer supportsUSB 2.0 Hi-Speed connection.The USB cable, and the USB hub if youare using one, support USB 2.0 Hi-Speedconnection.Be sure to use a certified USB 2.0 Hi-Speedcable. We recommend the cable to be nolonger than around 10 feet / 3 meters.The operating system of your computersupports USB 2.0 Hi-Speed connection.Obtain and install the latest update for yourcomputer.The USB 2.0 Hi-Speed driver operatesproperly.Obtain the latest version of the USB 2.0 Hi-Speed driver compatible with your hardwareand install it on your computer.ImportantFor details on USB 2.0 Hi-Speed of your systemenvironment, contact the manufacturer of yourcomputer, USB cable, or USB hub.161