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 |
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1 | Connection error between a remote computer | Check that the LAN cable has been attached to both the scanner and | |
| and the scanner, or problem with the LAN | remote computer correctly. | |
| cable. | If the remote computer is connected using a LAN cable (straight | |
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| type), in case | |
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| cable (crossover type), switch, or router is required between the | |
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| scanner and remote computer. | |
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| If this is not the case, the LAN cable may be faulty. Find a LAN cable | |
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| that functions normally and try again. | |
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2 | IP address or subnet mask is invalid. | On the "IP Address" screen, check that the IP address or subnet mask | |
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| settings are correct. | |
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| For more details about the "IP Address" screen, refer to "3.5 Setting | |
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3 | When using DHCP, the DHCP server does not | Check the DHCP server connection status and the details of the server | |
| operate normally, or there is a problem with | settings. | |
| the DHCP server settings. | If using DHCP, on the "Network Status" screen, check that IP | |
| address, subnet mask, and default gateway settings are all correct. | ||
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| If these settings are not correct, the DHCP server may not operate | |
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| normally, or the DHCP server may not assign valid IP addresses | |
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| because of restricted number of leases or MAC address validation. | |
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| If the DHCP server operating environment is changed, restart the | |
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| scanner. | |
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| The "Network Status" screen can be displayed as follows: | |
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| 1. | Select the [Network Settings] tab on the top menu. |
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| 2. | Press the [Down] button on the left side menu. |
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| 3. | Select the [Network Status] tab on the left side menu. |
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4 | Another host or communication device is | If the same IP address has already been used by another host or | |
| connected using the same IP address as the | communication device, then even if the other device has been given a | |
| scanner. | different IP address the remote computer may not recognize the | |
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| scanner’s "duplicate" IP address until it is rebooted. Restart the | |
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| remote computer. | |
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| If a duplicate IP address connection from another host or | |
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| communication device exists on a LAN, both it will be unusable. | |
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| If a duplicate IP address connection from another host or | |
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| communication device exists, pull out its LAN cable and restart the | |
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| remote computer. | |
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5 | Access is denied due to the establishment of a | If a firewall has been established between the remote computer and | |
| firewall between the remote computer and the | the scanner, check that it has not been set to deny access to the | |
| scanner. | network. | |
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Network Scanner |
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