Appendix a troubleshooting, Network connection troubleshooting, Checking basic network operation with a ping test – FUJITSU SCANSNAP NETWORK SCANNER N1800 User Manual

Page 17

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Appendix A Troubleshooting

Network Connection
Troubleshooting

■ Checking Basic Network Operation

with a Ping Test

The network connection may be checked by performing
a ping test. For more details on how to perform a ping
test, refer to "Chapter 4 Checking the Network
Connection" (page 15).
Check the ping results, and try the following:

■ Details

Communication with the device that is specified as the
ping target is unavailable.

■ Action

z

The setting of the ping target may be invalid. Check
that the ping target IP address, host name, or FQDN
is correct.

z

The network transmission mode may differ from the
connection target. On the [Network Status] window,
change [Link speed / Duplex mode] from [Auto-
Negotiation] to a fixed mode. This can be changed as
follows:

1. Select [Network Settings] J [Basic] J [Network

Status].
DThe [Network Status] window appears.

2. Select a fixed link speed/duplex mode for [Link

Speed/Duplex Mode].

3. Press the [OK] button.

z

If there are no problems with the ping target setting
and the network transmission mode, refer to "Failure
to Connect to a Server Using Its IP Address" (page
18) for further solutions.

■ Details

Communication with the device specified as the ping
target is unstable.

■ Action

z

There may be a quality problem with the LAN cable.
Replace the LAN cable and try again.

z

The network transmission mode may differ from the
connection target. On the [Network Status] window,
change [Link speed / Duplex mode] from [Auto-
Negotiation] to a fixed mode. This can be changed as
follows:

1. Select [Network Settings] J [Basic] J [Network

Status].
DThe [Network Status] window appears.

2. Select a fixed link speed/duplex mode for [Link

Speed/Duplex Mode].

3. Press the [OK] button.

■ Details

There may be problems in the hardware transmission
path. For example, the LAN cable may have become
disconnected during the ping test.

■ Action

Check the status of the LAN cable and try again.

■ Details

The name-resolution or address-resolution for the
device specified as the ping target may have failed.

■ Action

z

Check that the ping target host name or FQDN is
correct.

z

Check that the DNS server or WINS server settings
are correct.

z

If the ping target host name or FQDN is correct, refer
to "Failure to Connect to a Server Using Its Host
Name or FQDN" (page 19) for further s
olutions.

[Ping statistics] shows
"Lost=4 (100% loss)"

[Ping statistics] shows
"Lost=N
(1 to 99% loss)"

"Hardware error"

"Ping request could not find host
xxxxxxxxx. Please check the name and
try again."

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