| > Home > Troubleshooting # Troubleshooting Cannot configure the network interface or cannot print from the network. Cannot print even if you have assigned the IP address to the computer and the printer. The Launch Browser button is disabled. The Model Name and IP Address do not appear in the EpsonNet Config dialog box. The IP address changes unexpectedly. The WEP Key entered is not displayed in the field. The network interface does not appear in the EpsonNet Config list view. The wireless communication speed is very slow. ## Cannot configure the network interface or cannot print from the network.
Cause | What to do
The printer settings or network settings may be wrong. | Print a configuration status sheet and check the network settings. Make sure you are using a correct HUB for your environment.
(For wireless LAN users) Check the following items. Your network interface or access point/router is turned on. Your computer is properly communicating with the access point/router. Move the network interface closer to the access point/router.
Top ## Cannot print even if you have assigned the IP address to the computer and the printer.
Cause | What to do
You have assigned an IP address to the computer manually, but you have assigned the IP address to the printer by Automatic Private IP Addressing (APIPA). | Assign the printer’s IP address so that it belongs to the same segment of the computer. Use EpsonNet Config or the printer’s control panel.
Top ## The Launch Browser button is disabled.
Cause | What to do
You have not set the IP address for the network interface. | Set the IP address for the network interface using EpsonNet Config, the printer’s control panel, or the arp/ping commands. You can check the IP address on a status sheet.
Your network interface or device is turned off. | Network interfaces that are registered in My Device are displayed in List view even if they are turned off. However, you need to turn on the network interfaces to configure them using EpsonNet Config.
Top ## The Model Name and IP Address do not appear in the EpsonNet Config dialog box.
Cause | What to do
If the valid IP address is not set, the items indicated in the dialog box mentioned above may not appear. | Set a valid IP address. Refresh the status by selecting Refresh from the Display menu. Increase the length of time before a timeout. To do this, select Options from the Tools menu, and then select Timeout. Note that doing so can cause EpsonNet Config to run more slowly.
Top ## The IP address changes unexpectedly.
Cause | What to do
In the TCP/IP menu, the Set using PING check box is selected. | Select Manual for the Method for specifying the IP address and clear the Set using PING check box in the TCP/IP menu.
Top ## The WEP Key entered is not displayed in the field.
Cause | What to do
The WEP Key disappears after the network interface is configured. | Do not forget the WEP Key (1 to 4) you have set.
Top ## The network interface does not appear in the EpsonNet Config list view.
Cause | What to do
There are several possible causes. Check the items described on the right. | Make sure the device and the network interface are turned on. Make sure the mode, WEP Key, SSID, authentication method, and channel (for Ad Hoc mode) of the network interface and the wireless LAN are the same. Make sure there is no radio interference causing the problem. Check the connection range of the network interface.
Top ## The wireless communication speed is very slow.
Cause | What to do
There are several possible causes. Check the items described on the right. | Adjust the location and orientation of the access point. If interference occurs, switch to another channel. Other devices may be causing the interference. Relocate the “noisy” devices if found.
How to acquire an IP address. To acquire your IP address, you need to apply to the NIC (Network Information Center) in your country.
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