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user guide
use the fax features
65
fax
use error correction mode
Error Correction Mode (ECM) eliminates data lost due to poor phone lines by
detecting errors that occur during transmission and automatically requesting
retransmission of the erroneous portion. Phone charges are unaffected, or might
even be reduced, on good phone lines. On poor phone lines, ECM increases
sending time and phone charges, but sends the data much more reliably. Turn
ECM off (the default setting is on) only if it increases phone charges substantially,
and you can accept poorer quality in exchange for reduced charges.
Note: If your Fax Speed setting is set to Fast or you are sending a color fax,
then ECM is always On.
1 Press Setup.
2 Press 4, then press 5.
This selects Advanced Fax Setup and then selects Error Correction Mode.
3 Press to select On or Off.
4 Press OK.
set the fax speed
You can set the fax speed used to communicate between your HP Officejet and
other fax machines when sending and receiving faxes. The default fax speed is
Fast.
In certain environments, setting the fax speed to a slower speed might be
required. For example, if you use one of the following:
• an Internet phone service
• a PBX system
• Fax over Internet Protocol (FoIP)
• an integrated services digital network (ISDN) service
Also, if you experience problems sending and receiving faxes, you might want
to try setting the Fax Speed to Medium or Slow. If you want to send with ECM
turned off, you must use Medium or Slow. The following fax speeds are available.
1 Press Setup.
2 Press 4, then press 6.
This selects Advanced Fax Setup and then Fax Speed.
3 Press to select an option, and then press OK.
fax speed setting fax speed
Fast v.34 or 33600 bps
Medium v.17 or 14400 bps
Slow v.29 or 9600 bps