Oki Data CONFIDENTIAL
42930511TH Rev. 2 228 /
7.8 Wireless LAN Card Trouble Shooting
7.8.1 Connection Error in Web browser
If you cannot display the printer setup page with "https://<printer's IP address>" from Web browser,
do the following:
Try with http://<printer's IP address.
1) If the printer setup page is displayed with this, either of the following may be the reason
for the above problem:
Refer to the applicable section and correct the problem:
• A certificate has not been created. (Or certificate creation has failed.)
→ Refer to 7.8.1.1 Have you created the certificate?
• The certificate has been created, but SSL/TLS setting is off.
→ Refer to 7.8.1.2 Is SSL/TLS set to 'ON'?
2) If the printer setup page is not displayed with this, either of the following may be the reason
for the above problem:
• Browser's version is old.
→ Refer to 7.8.1.3 Check the version of the Web browser.
• The Cipher Level is set to Strong.
→ Refer to 7.8.1.4 Check the printer's encryption strength.
• The browser does not support the printer's key exchange method. (Compatibility problem)
→ Refer to 7.8.1.5 Check the key exchange method of the certificate.
Figure 1 Before a certificate is
created (default state)
7.8.1.1 Have you created the certificate?
Log in as administrator and display Security → Cipher (SSL/
TLS).
If the displayed screen looks like the one on the right, the
printer's certificate has not been created. (If you have failed
to create a certificate, you will be back to this screen, too.)
What to do: Create a certificate following the procedure
described in 5.2 Creating a certificate from Web
browser or 5.3 Creating a certificate from Admin
Manager.
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