Ricoh SP C250DN Betriebsanleitung - Seite 31

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If USB Connection Fails

This section describes how to troubleshoot a problem related to USB connections.

Problem

The machine is not

automatically recognized.

Windows has already

configured the USB settings.

The machine does not

recognize the USB

connection even when a

USB cable is inserted.

Causes

The USB cable is not

connected properly.

Check whether the computer

has identified the machine as

an unsupported device.

If the USB cable is

connected while the

machine is off, the machine

might not recognize the USB

connection.

If USB Connection Fails

Solutions

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.

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.

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.