Network Troubleshooting; Connection Errors Occur By Use Of A Web Browser; (C330Dn/C530Dn Only) - Oki C310dn Maintenance Manual

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7.5.4 Network troubleshooting

(1) Printing cannot be performed from the utility
Check item
(1) Check the LINK light.
Check if the LINK Check if the HUB and the printer is connected
light (green) is on. properly. (Check that the network cable is
connected properly.)
Check that a straight cable is being used.
Connect the network cable to another port of
the HUB.
(2) Check the network information
Check if the Select Information Menu - Network/Execute
network information on the panel and print the network information.
cane be printed
correctly.
(3) Check the contents of the network information.
Check the IP Check the IP address, SUB net mask and
address, SUB net gateway address in a printed network
mask and gateway information page.
address.
(4) Check if communication is possible via a network.
Check if a ping Send a ping command from the PC to the
printer and check if the printer responds it
command is sent
from the PC to the correctly.
printer.
(5) Check the utility.
Check OKILPR Check setting items of the OKILPR utility.
utility settings.
(6) Perform a check using an OS standard port.
Make a check Set up a Windows (NT, 2000, or XP) standard
using a Windows LPR port and check if printing can be
(NT, 2000, or XP) performed.
standard LPR port.
44346001TH Rev.1
Actions for NG
Check operation
results
Reconnect the
network cable
properly.
Replace it with a
straight cable.
Use another
HUB.
Rewrite the NIC
firmware using
the utility.
Set the IP
address, SUB
net mask and
gateway address
correctly.
Set the IP
address, SUB
net mask and
gateway address
correctly.
Set OKILPR
utility settings
correctly.
Set up a
Windows (NT,
2000, or XP)
standard LPR
port correctly.

7.5.4.1 Connection errors occur by use of a Web browser

(C330dn/C530dn only)

If the printer setting page cannot be displayed at "https://<printer IP address>" by a Web
browser, check the followings.
Establish connection by https://<printer IP address>.
1) If the printer setting page is displayed, the followings are probable.
Take an appropriate measure by referring to the following sections.
* A certificate is not created yet (or creation of a certificate failed).
-> Refer to section "7.5.4.1.1 Has a certificate been created?"
* A certificate has been created but the SSL/TLS setting is set to OFF.
-> Refer to section "7.5.4.1.2 Is the SSL/TLS setting set to ON?"
2) If the printer setting page is not displayed, the followings are probable.
* The version number of the browser is old.
-> Refer to section "7.5.4.1.3 Check the version number of the Web
browser."
* Encryption strength is set to Strong.
-> Refer to section "7.5.4.1.4 Check the encryption strength of the printer."
7. TROUBLESHOOTING
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