6.TROUBLESHOOTING FOR NETWORK CONNECTIONS
Locating the Equipment in the Network 41
TROUBLESHOOTING FOR NETWORK CONNECTIONS
Cannot locate the equipment with Local Discovery
Problem Description
Local Discovery cannot detect the equipment.
Corrective Action
The equipment is normally located automatically by SNMP. When the TWAIN driver, File Downloader, Address Book
Viewer, Backup/Restore Utility, Remote Scan driver, N/W-Fax driver or printer driver cannot automatically discover
the equipment over the network, the most likely cause is limitations of the protocols supported by the computer. In
some cases, you need to add or update network components; however, first see the checklist below to fix the
problem.
No. Check... Yes No Corrective Action
1 Is SNMP enabled on the equipment? Next
Step
Enable the SNMP (MIB).
2 Are the SNMP setting of the equipment
and that of the software the same?
Next
Step
SNMP V1/V2: Check if the community
names of the equipment and the software
are the same.
SNMP V3: Check if each item of the SNMP
setting of the equipment and the software
is the same.
3 Confirm that the protocol suite installed
on the client computer has been updated
with the latest software for the given
operating system. If your network only
supports the IPX/SPX protocol, make sure
that the most current version of Novell
Client software is installed.
Next
Step
See the vendor’s website for information
about product updates and technical
supports.
4 Print an NIC Configuration page from the
equipment. Does the equipment support
the same protocol as the network?
Next
Step
Configure the proper protocol.
5 Change the protocol settings from
TopAccess, if necessary, and reboot the
equipment for the changes to take effect.
Repeat step 2. Was the device discovered?
End
Next
Step
6 Check the NIC Configuration page. Are the
IP address and subnet mask settings
correct?
Next
Step
Setup the TCP/IP settings correctly.
7 Check the router to make sure that it is not
filtering out the equipment packets. Is the
router processing equipment packets
correctly?
Next
Step
Adjust the router settings.
8 Can another computer within the same
network segment discover the
equipment?
Next
Step
See the following section to fix the
problem:
P.40 “Locating the Equipment in the
Network”
9 Check the NIC Configuration page. Is the
Unit Serial Number part of the device
name?
Next
Step
Contact your service representative.
10 Check link activities on the port being
used by the equipment and the integrity of
the network cable, hub, or switch that
connects the equipment to the network.
Replace any network components that
you can tell or suspect are faulty.
End
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