Cause 1: |
The device is not turned on. |
Action: |
Turn the device's power on. |
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Cause 2: |
The network board is not properly connected. |
Action: |
With the power turned off, check the following, and then turn the power on again.
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Refer to the network board manual, and check that it is installed correctly. (This should not be necessary if the device that you are using supports network printing without installation of a network board.)
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Refer to the network board manual and check that the network cable is connected correctly.
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When using 10Base-2, make sure that the network terminators are properly connected.
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Cause 3: |
Suitable discover criteria is not set. |
Action: |
Refer to Setting Discovery Criteria, and set suitable discovery criteria (IP addresses, SNMP community names and so on) for the network you want to search. |
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Cause 4: |
A correct gateway address is not set. |
Action: |
If the gateway address is not set correctly, devices cannot communicate through subnets.
Refer to Setting Discovery Criteria, and confirm the gateway address.
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Cause 5: |
The router is not set to transmit the specified subnet broadcast address. |
Action: |
If the router is not set to transmit the specified subnet broadcast address, you cannot perform a broadcast discovery of devices connected to the network through a router. Consult your system administrator.
If you are attempting to discover devices on the network that already have IP addresses, you may be able to discover them by specifying IP address ranges for discovery. (Note that you cannot discover [Not Configured] devices with this method.)
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Cause 6: |
The Windows firewall function is enabled.
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Action: |
If you are installing NetSpot Device Installer on an operating system which has the Windows Firewall function, such as Windows XP Service Pack 2, and the Windows firewall function is enabled, you cannot display unconfigured devices in the device list, nor carry out Broadcast Discovery and Multicast Discovery on a network other than the local subnet without registering NetSpot Device Installer as a program that is not to be blocked in Windows Firewall. For instructions on how to make registration settings, refer to the Readme file. (If you have registered this software in Windows Firewall by following the instructions during installation, it is not necessary to perform this procedure.)
If you do not register it, you can use the IP Address Range Discovery function to discover the devices for which IP addresses have been set on a network other than the local subnet. For information on how to do this, refer to Setting IP Address Ranges for Discovery.
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Cause 7: |
The device is set to block external access.
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Action: |
If the device is set to deny access from the specified IP addresses, or if it is set to block SNMP or Multicast communication, it may not appear in the list, or if it appears, it may not be available for any action. Check the network settings of the device.
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