Ricoh IM 550 Series User Manual page 242

9. Troubleshooting
Message
"Network
communication has
failed. No response
from the destination.
Please check the cable
connection and if the
network equipment is
turned on."
"Network
communication has
failed. POP/IMAP
server authentication
error has occurred.
Please check email
account and
password."
"Network
communication has
failed. POP/IMAP
server is not registered.
Please check settings."
"Network
communication has
failed. S/MIME
certificate error has
occurred. Please check
the certificate of both
destination and this
machine."
"Network
communication has
failed. SIP digest
authentication failed.
Please check the SIP
digest authentication
user name and
password."
240
Condition
The destination device
did not respond.
A login attempt to the Specify the setting in [Settings]
POP3 (IMAP4) server Features Settings]
failed. Transfer] tab
The POP3 (IMAP4) Specify the setting in [Settings]
server address is not Features Settings]
registered. Transfer] tab
A user certificate Install the correct user certificate.
(destination certificate)
See "Encrypting Network Communication", User
is not registered or has
Guide (Full Version).
expired.
A device certificate Install the correct device certificate.
(destination certificate)
See "Encrypting Network Communication", User
is not registered or has
Guide (Full Version).
expired.
The authentication Check that the password registered on the SIP
password on the SIP server and "Password" in SIP Digest Authentication
server and the under [Settings]
password registered [Fax Settings]
on the machine do not Settings] match.
match.
See "Sending Documents by IP-Fax", User Guide
(Full Version).
Solution and reference
• 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.
[System Settings]
[POP3 / IMAP4 Settings].
[System Settings]
[POP3 / IMAP4 Settings].
[Machine Features Settings]
[Initial Settings] tab
[Machine
[File
[Machine
[File
[SIP