If USB Connection Fails

If USB Connection Fails

This section explains how to troubleshoot a problem related to USB connection.

Problem

Cause

Solution

 

 

 

 

 

 

 

The machine is not auto-

The USB cable is not con-

Disconnect the USB cable, and then turn

 

 

matically recognized.

nected properly.

the machine off and then back on again.

 

 

 

 

After confirming the machine is on, con-

 

 

 

 

nect the USB cable again.

 

 

 

 

 

 

 

Windows has already con-

Check whether the com-

Open Windows' Device Manager, and

 

 

figured the USB settings.

puter has identified the

then, under [Universal Serial Bus control-

 

3

 

 

 

machine as an unsup-

lers], remove any conflicting devices.

 

 

 

 

 

ported device.

Conflicting devices have a [!] or [?] icon

 

 

 

 

by them. Take care not to accidentally

 

 

 

 

remove required devices. For details,

 

 

 

 

see Windows Help.

 

 

 

 

When using Windows 2000 / XP or

 

 

 

 

Windows Server 2003, an erroneous de-

 

 

 

 

vice is displayed under [USB Controller]

 

 

 

 

in the [Device Manager] dialog box.

 

 

 

 

 

 

 

Windows Me and the ma-

You need to download

Download USB Printing Support from

 

 

chine cannot be connected.

USB Printing Support for

the supplier's website.

 

 

 

Windows Me.

Search the model name you use on the

 

 

 

 

 

 

 

 

supplier's website, and download USB

 

 

 

 

Printing Support.

 

 

 

 

 

 

 

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