TROUBLESHOOTING FOR NETWORK CONNECTIONS
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Fax transmission cannot be performed with a cover sheet
Problem description
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
This section describes the troubleshooting for Wireless LAN.
Message Corrective Action
Bad certificate Unsupported certificate is installed. Reinstall the appropriate
certificate. This equipment supports md5RSA and sha1RSA
certificate only.
Bad record mac SSL Key exchange failed. Turn the power OFF and then ON to
restart the equipment.
Certificate expired The certificate has been expired. Make sure that the time is set
correctly or whether the certificate is expired.
Certificate revoke The certificate has been revoked. Ask your network
administrator.
Certificate unknown The installed CA certificate cannot work as server certificate.
Make sure to install a correct CA certificate.
Decompression failure This equipment does not support the SSL compression. Please
disable the SSL compression on the RADIUS server.
Handshake failure Unsupported encryption may be set on the server. Make sure to
use the supported encryption method.
Illegal parameter Unsupported version of the TLS protocol may be used. Make
sure to use the supported version of the TLS protocol.
No certificate 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.
Peer error certificate Installed CA certificate cannot verify the server certificate in the
RADIUS server.
Make sure to install a correct CA certificate.
Peer error no certificate The RADIUS server operates the communication with the
certificate using the TLS protocol.
Peer no cipher The RADIUS server requests the unsupported encryption for this
equipment.
Peer error unsupported certificate type This equipment uses the certificate that the RADIUS server does
not support.
Peer unexpected message The RADIUS server sends the message that is not TLS
standard. Confirm the settings on the RADIUS server.
Unknown remote error type The RADIUS server sends the alert message of illegal TLS.
Unsupported certificate This equipment uses the certificate that the RADIUS server does
not support.
Unknown ca Installed CA certificate cannot verify the server certificate in the
RADIUS server.
Make sure to install a correct CA certificate.
Unable to connect Ask the administrator.
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