Ricoh M281 Series Service Manual page 886

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