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If USB Connection Fails
This section describes how to troubleshoot a problem related to USB connections.
Problem
Causes
Solutions
The machine is not
automatically recognized.
The USB cable is not
connected properly.
Disconnect the USB cable from the
computer, and then turn off the main
power switch. Turn on the main power
switch again. When the machine has
fully booted up, reconnect the USB
cable.
Windows has already
configured the USB settings.
Check whether the computer
has identified the machine as
an unsupported device.
Open Windows' Device Manager,
and then, under [Universal Serial Bus
controllers], remove any conflicting
devices. Conflicting devices have a [!]
or [?] icon by them. Take care not to
accidentally remove required devices.
For details, see Windows Help.
The machine does not
recognize the USB
connection even when a
USB cable is inserted.
If the USB cable is
connected while the
machine is off, the machine
might not recognize the USB
connection.
Press the operation switch, and then
disconnect the USB cable from the
computer. When the machine has
returned to the ready condition,
reconnect the USB cable.
If USB Connection Fails
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Summary of Contents for SP C250DN
Page 2: ......
Page 4: ...Trademarks 39 INDEX 41 2...
Page 10: ...1 Introduction 8...
Page 28: ...2 Installing the Printer Driver 26...
Page 32: ...3 Troubleshooting 30...
Page 44: ...MEMO 42...
Page 45: ...MEMO 43...
Page 46: ...MEMO 44 EN GB EN US M200 8612...
Page 47: ......
Page 48: ...EN GB EN US M200 8612 2013...