Network Troubleshooting - Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL

7.5.5 Network troubleshooting

(1) Print cannot be activated from Utilities.
Check item
(1) Check the LINK lamp
Check if the LINK Check that HUB and printer are connected
lamp (green) is normally. (Check that network cable is
illuminating or not. connected normally.)
Confirm that the straight network cable is
being used.
Make an attempt to change connection of
the network cable to other port of a HUB.
(2) Check the network information
Check if the network Press the Push switch of the NIC card to
information can be print the network information.
printed normally or
not.
(3) Check contents of the network information.
Confirm the IP Confirm the IP address, SUB net mask and
address, SUB net gateway address that are printed on the
mask and gateway network information.
address.
(4) Check if communication is possible or not through network
Confirm if the Ping Confirm if correct reply is returned from
command can be a printer to a PC when the PC sends the
sent or not from a Ping to a printer.
PC to a printer.
(5) Check the Utilities.
Check setting of the Check setting of the OKILPR Utilities.
OKILPR Utilities.
(6) Check the following from an OS standard port
Confirm the Set the standard LPR port of the
standard LPR port WINDOWS standard (NT, 2000, XP), and
of the WINDOWS confirm if printing can be performed or not.
standard (NT, 2000,
XP).
43967002TH Rev. 1
Check work Action to be taken at NG
Re-connect the
network cable
normally.
Replace the cable
with the straight
cable.
Try to change the
HUB.
Re-write the NIC-F/
W by using Utilities.
Set the IP address,
SUB net mask and
gateway address.
Set the IP address,
SUB net mask and
gateway address.
Set correctly the
setting of the
OKILPR Utilities.
Set the standard
LPR port of
the WINDOWS
standard (NT, 2000,
XP) correctly.
7.5.5.1 Connection error occurs with the Web browser
If the printer setting page cannot be displayed by the web browser "https://<printer IP
address>", 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 items.
* Certificate is not created yet. (Or failed to create certificate.)
Refer to section "7.5.5.1.1 Is the certificate created?".
* Certificate has been created but the SSL/TLS setting is turned off.
Refer to section "7.5.5.1.2 Is the certificate created?".
2) If the printer setting page is displayed, the followings are probable.
* Version number of the browser is old.
Refer to section "7.5.5.1.3 Check version number of the Web browser".
* Encryption strength has been set to Strong.
Refer to section "7.5.5.1.4 Confirm encryption strength of a printer".
* The key exchange system of a printer is not supported by the browser.
(Compatibility problem).
Refer to section "7.5.5.1.5 Check the key exchange type of the
certificate".
7. Troubleshooting
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