192 Network Administrator’s Guide — Troubleshooting Overview
Unix Environment:
Cannot Discover Device
Problem Description
This equipment is discovered automatically using SNMP.
When TopAccessDocMon, TWAIN driver, File Downloader, and Address Book Viewer cannot
automatically discover this equipment over the network, the most likely cause is limitations of
the protocols on the supporting computers. In some cases, you need to add or update network
components.
The following checklist helps you identify the source of the error and directs you where you can
find more information about resolving it. If the problem persists after you have followed all of
the steps, contact a authorized dealer for further assistance.
No Check... Yes No For Instruction, Go To...
1 Are the IP Address properties
correctly set?
Next Step
Ø
Ö
Setup the IP address correctly.
P.53 "Setting up the TCP/IP"
2 Is the LPR/LPD Printing cor-
rectly set?
Next Step
Ø
Ö
Setup the LPD print service cor-
rectly.
P.91 "Setting up the LPD
Print"
3 Did you successfully install
the Unix filters?
Next Step
Ø
Ö
See the Printing Guide to install
Unix filters.
4 Did you successfully create
and set up the print queue?
Next Step
Ø
Ö
See the Printing Guide to config-
ure the print queue.
5 Can you print to this equip-
ment using LPD as root?
Next Step
Ø
Ö
Setup Unix access for this equip-
ment to enable other users to print
from the Bourne shell. Refer to
your Unix documentation for
more information.
6 Can you ping this equipment
from your computer?
Next Step
Ø
Ö
Try remote ping from another
server. If you can reach this
equipment from that server,
check for conflicts between this
equipment and your current net-
work segment.
7 Is the LP Daemon function-
ing?
Next Step
Ø
Ö
Reload Daemon or restart the sys-
tem.
8 Can you print to this equip-
ment?
End Ö
Contact your service representa-
tive.
No Check... Yes No For Instruction, Go To...
1 Is the SNMP enabled on this
equipment?
Is “public” is specify for the
Read Community?
Is “private” is specify for the
Read Write Community?
Next Step
Ø
Ö
Enable the SNMP (MIB) and
confirm the Read Community
and Read Write Community set-
ting.
P.63 "Setting up the SNMP
Network Service"
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