Ricoh IM C300F User Guide - Page 225
See Sending Documents by IP-Fax, User, Email] and the [Fax Email
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When a Message Appears While Using the Fax Function Message Condition Solution and reference "Network communication has failed. No response from the destination. Please check the cable connection and if the network equipment is turned on." The destination device did not respond. • Check that the computer specified as the destination is operating normally and connected to the network. • Check that the machine is connected to the network correctly. "Network communication has failed. POP/IMAP server authentication error has occurred. Please check email account and password." A login attempt to the POP3 (IMAP4) server failed. Check the [POP before SMTP] setting on [Settings] [System Settings] [Send (Email/Folder)] [Email] and the [Fax Email Account] setting on [Settings] [Fax Settings] [Detailed Initial Settings]. "Network communication has failed. POP/IMAP server is not registered. Please check settings." The POP3 (IMAP4) server address is not registered. Specify the setting in [Settings] [System Settings] [Send (Email/Folder)] [Email] [POP3 / IMAP4 Settings]. "Network communication has failed. S/MIME certificate error has occurred. Please check the certificate of both destination and this machine." A user certificate (destination certificate) is not registered or has expired. A device certificate (destination certificate) is not registered or has expired. Install the correct user certificate. "Encrypting Network Communication", Security Install the correct device certificate. "Encrypting Network Communication", Security "Network communication has failed. SIP digest authentication failed. Please check the SIP digest authentication user name and password." The authentication password on the SIP server and the password registered on the machine do not match. Check that the password registered on the SIP server and "Password" in SIP Digest Authentication under [Settings] [Fax Settings] [Detailed Initial Settings] [IPFax Settings] [SIP Settings] match. See "Sending Documents by IP-Fax", User Guide (Full Version). 223
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