6.3.2 Other Network Connection Troubleshooting

There are many reasons why a network connection may not be possible.

The following section provides information about general troubles that may occur when connecting to a network.

If the cause of the problem is unknown or the problem persists, check the items in "6.5 Points to Check before Contacting Your FUJITSU Scanner Dealer" (page 249) and contact your FUJITSU scanner dealer or an authorized FUJITSU scanner service provider.

■Failure to connect to a remote computer using its IP address

If a remote computer cannot be connected to using its IP address, and does not respond to a ping test, try the following steps:

No.

Problem

Action

 

 

 

1

Connection error between a remote computer

Check that the LAN cable has been attached to

 

and the scanner, or problem with the LAN

both the scanner and remote computer

 

cable.

correctly.

 

 

If the remote computer is connected using a

 

 

LAN cable (straight type), in case auto-mdi

 

 

(automatic selection) is not supported, a LAN

 

 

cable (crossover type), switch, or router is

 

 

required between the scanner and remote

 

 

computer.

 

 

If this is not the case, the LAN cable may be

 

 

faulty. Find a LAN cable that functions

 

 

normally and try again.

 

 

 

2

IP address or subnet mask is invalid.

On the "IP Address" screen, check that the IP

 

 

address or subnet mask settings are correct.

 

 

For more details about the "IP Address"

 

 

screen, refer to "3.6.1 Giving the Scanner an

 

 

IP Address" (page 57).

 

 

 

3

When using DHCP, the DHCP server does not

If using DHCP, on the "Network Status"

 

operate normally, or there is a problem with

screen, check that IP address, subnet mask,

 

the DHCP server settings.

and default gateway settings are all correct.

 

 

If these settings are not correct, the DHCP

 

 

server may not operate normally, or the DHCP

 

 

server may not assign valid IP addresses

 

 

because of restricted number of leases or

 

 

MAC address validation.

 

 

Check the DHCP server connection status and

 

 

the details of the server settings.

 

 

For more details about the "Network Status"

 

 

screen, refer to "3.6.11 Checking the Network

 

 

Operating Status" (page 89).

 

 

 

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