Canon PIXMA iP4820 On-Screen Manual - Page 392
Cannot Connect to Computer Properly
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Cannot Connect to Computer Properly Page 392 of 468 pages Advanced Guide > Troubleshooting > Cannot Connect to Computer Properly U309 Cannot Connect to Computer Properly Printing Speed Is Slow/Hi-Speed USB Connection Does Not Work/"This device can perform faster" Message Is Displayed If your system environment is not fully compatible with Hi-Speed USB, the printer will operate at a lower speed provided under USB 1.1. In this case, the printer operates properly but printing speed may slow down due to communication speed. Check: Check the following to make sure that your system environment supports Hi-Speed USB connection. Does the USB port on your computer support Hi-Speed USB connection? Does the USB cable or the USB hub support Hi-Speed USB connection? Be sure to use a certified Hi-Speed USB cable. We recommend that the cable is no longer than around 10 feet / 3 meters. Does the operating system of your computer support Hi-Speed USB connection? Obtain and install the latest update for your computer. Does the Hi-Speed USB driver operate properly? Obtain the latest version of the Hi-Speed USB driver compatible with your hardware and reinstall it on your computer. Important For details on Hi-Speed USB of your system environment, contact the manufacturer of your computer, USB cable, or USB hub. Page top