Ricoh M281 Series Service Manual page 888

IP-Fax Troubleshooting
16 Remote fax cancelled transmission?
3.4.2 IP-FAX RECEPTION
Cannot receive via IP Address/Host Name
Check Point
1 LAN cable connected?
2 Firewall/NAT installed?
3 IP address of local fax registered?
4 Port number specified at remote sender
fax (if required)?
5 Specified port number correct (if
required)?
6 DNS server registered when host name
specified on sender side?
7 Network bandwidth too narrow?
D255/D256 FAX OPTION
Raise the delay level.
(IPFAX SW 01 Bit 0 to 3)
Lower the modem transmission baud
rate.
(IPFAX SW 05)
Check whether the remote fax
cancelled the transmission.
Troubleshooting Procedures
Check the LAN cable connection.
The firewall cannot be breached. Send by
another method (Fax, Internet Fax)
Register the IP address.
Request the sender to specify the port
number.
Request the sender to check the port
number.
Contact the network administrator.

The sender machine displays this
error code if the sender fax is a
Ricoh model.
Request the system administrator to
increase the bandwidth.
Lower the start modem reception baud
rate on the receiving side.
(IPFAX SW06)
54 SM