Network Connection Problems and Remedies 8-38 TroubleshootingRemedy Check the following:• If the dial-up router does not have to send packets via broadcast, change therouter settings to ensure that it sends packets via a method other thanbroadcast. If dial-up router has to send packets via broadcast, check that thesettings are correct.• Check that the file or mail server's host name or IP address set on themachine is correct.• If you attempt to access a device on the network to which the machine isconnected, with the DNS server on an external network, set the destinationusing an IP address, not a host name.• If information about a device on an external network is set on the DNS serveron the network to which the machine is connected, check the settings.Detailed information concerning the machine cannot be set or browsed using the Remote UIor utility.Cause 1 The IP addresses of computers on which the Remote UI or utility is used are notallowed in in [IP Address Range Settings].Remedy If the settings for in [IP Address Range Settings] donot permit the IP address of a computer on which the Remote UI or utility isused, you cannot set the machine setting items or browse information on themachine.Check the settings for in [IP Address RangeSettings]. (See step 22 in "TCP/IP Settings," on p. 3-4.)Cause 2 [Use SNMP] or [Enable Dedicated Port Settings] is set to 'Off'.Remedy Set [Use SNMP] and [Enable Dedicated Port Settings] to 'On'. (See"Communication Environment Setup," on p. 2-13.)Cause 3 The SNMP community name does not match.Remedy If you use an SNMP community name different from the one stored in themachine to access the machine from a utility, the utility will not detect themachine. In this case, check the SNMP community name. (See"Communication Environment Setup," on p. 2-13.)