Chapter Appendix
received fax. A memory buffer guarantees
that exact data is issued even after a power
loss. In this way, you can verify exactly
when a fax has reached you.
Tone Dialing (also Dual Tone Multi-
Frequency):
In many countries, tone
dialing has replaced pulse dialing, in
which each number was sent as a cor-
responding number of pulses. With tone
dialing, a specific tone is assigned to each
key (referred to as DTMF tones).
Toner Level Memory:
Update the toner
level memory of your machine with the
Plug'n'Print card that is included with
each new print cartridge. Your machine
registers the extent of toner used for every
print-out and calculates the toner level
of the print cartridge on that basis. e
indicated toner level is only meaningful if
you update each new print cartridge with
the Plug'n'Print card that is provided with
the cartridge.
Transfer Speed:
CCITT/ITU has pub-
lished international standards for the
transmission of data over telephone lines.
All short names begin with V, so these are
also referred to as V standards. e most
important transmission speeds for fax
transmissions are:
V.17—7,200 to 14,400 bps
V.21—maximum 300 bps
V.22—maximum 1,200 bps
V.22 bis—maximum 2,400 bps
V.27 ter—maximum 4,800 bps
V.29—maximum 9,600 bps
V.32 bis—maximum 14,400 bps
V.34—maximum 33,600 bps
Warm-Up Phase
: Normally, the machine
is in the energy saving mode (see Energy
Saving Mode). In the warm-up phase, the
machine heats up the printing unit until it
has reached the necessary operating tem-
perature, after which the copy or fax can
be printed out.
Appendix
45