The Machine Is Not Displayed When Connected via USB

Use the following procedure to check whether the machine is recognized by the computer you are using.

  1. Display [Device Manager].

    Windows 10/11, Windows Server 2016/2019/2022

    1. Right-click [Start], and then click [Device Manager].

    Windows 8.1, Windows Server 2012/2012 R2

    1. On the Charm Bar, click [Set] [Control Panel].

    2. Click [Device Manager] on [Hardware and Sound].

  2. Check whether the computer has identified the machine as an unsupported device.

    • If the machine is identified as an unsupported device, the symbol "!" or "?" is displayed on the device in "Universal Serial Bus controllers".
      Driver screen illustration

  3. Right-click the unsupported device, and then click [Delete] or [Uninstall Device].

  4. Disconnect the USB cable from the computer, and then restart the machine.

  5. Once the machine restarts, connect the machine and computer with the USB cable.
    If the machine is still not identified, reinstall the driver.
    Installing the Printer Driver for USB Connection (Windows)

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