Oki MC770 MC770/780 User Guide - Troubleshooting - Page 40

TROUBLESHOOTING FOR NETWORK CONNECTIONS  Fax transmission cannot be performed with a cover sheet Problem description 1 In a N/W-Fax driver which is set to the IPP port, no cover sheet is output and an XL error occurs in the fax transmission when a printer driver whose file name consists of 54 letters or more is specified for the default printer and a Fax is sent with a cover sheet added from Microsoft Excel. Corrective action Set the file name of the printer driver in 30 letters or less. Wireless LAN Problems 2 This section describes the troubleshooting for Wireless LAN. Bad certificate Message Bad record mac 3 Certificate expired Certificate revoke Certificate unknown 4 Decompression failure Handshake failure Illegal parameter No certificate 5 Peer error certificate Peer error no certificate Peer no cipher 6 Peer error unsupported certificate type Peer unexpected message Unknown remote error type Unsupported certificate 7 Unknown ca Unable to connect Corrective Action Unsupported certificate is installed. Reinstall the appropriate certificate. This equipment supports md5RSA and sha1RSA certificate only. SSL Key exchange failed. Turn the power OFF and then ON to restart the equipment. The certificate has been expired. Make sure that the time is set correctly or whether the certificate is expired. The certificate has been revoked. Ask your network administrator. The installed CA certificate cannot work as server certificate. Make sure to install a correct CA certificate. This equipment does not support the SSL compression. Please disable the SSL compression on the RADIUS server. Unsupported encryption may be set on the server. Make sure to use the supported encryption method. Unsupported version of the TLS protocol may be used. Make sure to use the supported version of the TLS protocol. No certificate is installed or you do not specify the certificate file name. Make sure to install the certificate and specify the certificate file name correctly. Installed CA certificate cannot verify the server certificate in the RADIUS server. Make sure to install a correct CA certificate. The RADIUS server operates the communication with the certificate using the TLS protocol. The RADIUS server requests the unsupported encryption for this equipment. This equipment uses the certificate that the RADIUS server does not support. The RADIUS server sends the message that is not TLS standard. Confirm the settings on the RADIUS server. The RADIUS server sends the alert message of illegal TLS. This equipment uses the certificate that the RADIUS server does not support. Installed CA certificate cannot verify the server certificate in the RADIUS server. Make sure to install a correct CA certificate. Ask the administrator. Client Software Authentication Problems - 40 -