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Q: I don't want to install a dedicated phone line for my fax machine. So
I've connected the machine to a PBX phone system. When I get a fax
call, all the phones ring! How do I prevent this?
A: Call your PBX manufacturer or telephone company for assistance.
Either may be able to convert one of the PBX lines for use only by
your fax machine.
Q: Sometimes when I dial a fax call by using either the handset or
MONITOR/CALL, I don't hear fax receiving tones from the other
machine. Am I doing something wrong?
A: When this happens, try pressing START (and then hanging up the
handset if you're using it), as usual. It's possible you're calling an
older, non-standard fax machine that doesn't emit answering tones.
Even a few Group 3 faxes (see "Glossary," page 259) on the market
sound a sending tone but don't sound a receiving tone. After you
transmit, call the person at the other fax machine to see if he/she got
your document.
Q: I inserted a document in the feeder and dialed a fax number, but my
machine didn't transmit the document; instead, "Auto Redial" now
appears on my display. What does this mean?
A: The remote fax machine was busy, so your machine "reserved" in its
memory a command to try the call again. As long as it hasn't stored
more than 99 delayed commands, counting automatic redials, your
machine should still accept commands from you. If it has exceeded
this quantity and will accept no more commands, try canceling one of
the delayed commands (see pages 119-122). If the machine still won't
cooperate, keep canceling commands until it does.
Q: The specifications (page 269) list an average per-page transmission
time, but when I transmit a page it can take much longer. Why?
A: We base this specification on transmission of an industry-standard
test document called ITU-T Test Document #1 (sometimes called the
"Slerexe letter"). Fax manufacturers use this method to test
transmission speeds. However:
• The pages you send may be darker, or otherwise contain more
information, than ITU-T Test Document #1.
• The transmission time measured for test documents doesn't include
handshake time — the time during which two fax machines
"introduce" themselves to each other and "agree on" the parameters
of the call.
• The specification time is based on the use of normal resolution
mode. You may be using fine, superfine or grayscale transmission,
each of which takes longer than normal mode.
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