> Problems with USB Connection > How to Check the Connection Using the Device Manager and How to Cope with Errors
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How to Check the Connection Using the Device Manager and How to Cope with Errors

On how to verify whether the machine is correctly recognized by USB connection and how to cope when not, check the following.
NOTE
The screen images and the procedures shown below may slightly differ from those with your system depending on the following factors.
Your OS and its current settings
The model of your machine and its current settings, firmware version, installed options
The drivers you are using and their version

Using the Device Manager to Check the Machine's Connections

1
Display [Device Manager].
Windows 7
[Start] select [Control Panel] [System and Security] [Device Manager].
Windows 8
Right-click the lower-left corner of the screen select [Device Manager].
Windows 8.1
Right-click [Start] select [Device Manager].
Windows 10
Right-click [] select [Device Manager].
2
Open [Universal Serial Bus controllers] and check that [USB Printing Support] is displayed.
When "!" or "?" marks are displayed in the Device Manager
When [USB Printing Support] and other related items are not displayed in the Device Manager
3
Check whether the [USB Printing Support] is used for connection of this machine.
1
Right-click [USB Printing Support] and click [Properties].
2
Select [Bus relations] in [Details] tab.
3
Check that the model name of this machine is displayed.
NOTE
You can also check the port name.

How to Cope with [Other devices]/[Unknown device]

1
Open [Other devices] and right-click the model name of the machine click [Uninstall].
NOTE
When the model name of the machine is not displayed and [Unknown device] is displayed
Right-click [Unknown device] and click [Uninstall].
2
Click [OK].
3
Disconnect the USB cable, and restart the computer and this machine.
4
Reconnect the USB cable.
5
Check whether [USB Printing Support] is displayed in the Device Manager.
When [USB Printing Support] is displayed
When [USB Printing Support] is not displayed

How to Cope When Nothing Is Displayed

1
Disconnect the USB cable from both the computer and this machine.
2
Reconnect the USB cable.
3
Check whether [USB Printing Support] is displayed in the Device Manager.
When [USB Printing Support] is displayed
When [USB Printing Support] is not displayed