Ricoh M281 Series, Service Manual

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IP-Fax Troubleshooting
D255/D256 FAX OPTION 52 SM
12 Remote fax cancelled transmission? Check whether the remote fax
cancelled the transmission.
Cannot send via VoIP Gateway
Check Point Troubleshooting Procedures
1 LAN cable connected? Check the LAN cable connection.
2 VoIP Gateway T.38 standard? Contact the network administrator.
3 VoIP Gateway installed correctly? Contact the network administrator.
4 VoIP Gateway power switched on? Contact the network administrator.
5 Is the IP address/host name of the
specified Gateway correct?
Check the IP address/host name.
6 Number of the specified fax correct? Check the remote fax number.
7 Firewall/NAT installed? The firewall cannot be breached. Send
by another method (Fax, Internet Fax)
8 Transmission sent manually? Manual sending not supported.
9 IP address of local fax registered? Register the IP address.
10 DNS registered when host name
specified?
Contact the network administrator.
11 Remote fax a G3 fax? Check that the remote fax is a G3 fax.
12 G3 fax connected to VoIP gateway? Check that G3 fax is connected.
13 Remote G3 fax turned ON? Check that G3 fax is ON.
14 Network bandwidth too narrow? Request the network administrator to
increase the bandwidth.
Raise the network delay level.
(IPFAX SW 01 Bit 0 to 3)
IP-Fax bandwidth is the same as the
DCS speed. Set IP-Fax SW00 Bit 6 to
1.