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Internet Fax Features
Important Information
Your machine uses the same communication protocols as email: the Simple Mail Transfer Protocol (SMTP). The differences
from a standard G3 fax communication using the Public Switched Telephone Networks (PSTN) are as follows.
■ General Description
A regular Fax machine goes off-hook, dials, and the phone network completes a circuit over phone lines to the receiving fax.
You pay for the circuit. The two faxes negotiate a connection, synchronize and exchange image data.
The Internet Fax works like an email, the image data is broken down into packets, and is transmitted through your Local Area
Network (LAN) to the Internet or Intranet instead of using a telephone company's network, thus saving you long distance costs.
■ Differences between Internet Fax and Regular Fax
1. Your machine does not directly connect to the final destination (see note below), but rather connects to a Mail Server via
LAN. Therefore, if a document cannot be correctly transmitted due to an error, the erroneous mail may be returned from the
Mail Server to your machine.
2. The erroneous mail may take a long time to return (20 to 30 minutes) depending on the destination location, traffic on the
network or LAN system configuration.
3. Depending on the Mail Server, it is also possible that erroneous mail is not returned at all. Therefore, when transmitting
important or time sensitive documents, it is recommended that you follow up with a telephone call to confirm reception.
4. Documents cannot be transmitted correctly if the destination Mail Server does not conform to the MIME protocol. Erroneous
mail may not be returned depending on the Mail Server.
Note:
1) Fax Parameter No. 172 (Direct IFax XMT), if set to "Valid", allows you to configure Address Book so that you can directly
send to the destination without medium of SMTP.
2) Your machine supports the Delivery Notice feature. (See page 173)
■ Transmitted Document Confirmation
Your machine can only make a phone call using a regular telephone line (PSTN).
■ Your Machine Cannot Make a Phone Call via LAN
Your machine's dual port capability, allows simultaneous G3 Fax Communication over regular telephone line (PSTN) and LAN
Communication.
■ Dual Port Communication
In view of PC transmission, the factory default setting for the resolution is set to FINE mode. If required, this setting can be
changed to Normal.
■ Transmission Resolution