Brother MFC-9420CN - Manual (Page 67)

Internet FAX
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Important information on Internet Fax
Internet Fax Communication on a LAN system is basically the same as communication via E-mail; however,
it is different from Fax communication using standard phone lines. The following is important information for
using Internet Fax:
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Factors such as the receiver’s location, structure of the LAN system, and how busy the circuit (such as
the internet) is, may cause the system to take a long time to send back an error mail. (normally 20 sec. to
30 sec.).
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In the case of transmission through the Internet, due to its low level of security, we recommend that you
use standard phone lines to send confidential documents.
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If the receiver’s mail system is not compatible with the MIME format, you cannot transmit a document to
the receiver. Depending on receiver’s server, there may be some cases in which the error mail will not be
sent back.
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If the size of a document’s image data is huge, there is a possibility of unsuccessful transmission.
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You cannot change font and character size of Internet mail that you received.