HP J5780 User Guide - Macintosh - Page 233

To set the fax speed from the control panel, To change the ECM setting from the control panel

Page 233 highlights

Solution: If you experience problems sending and receiving faxes while using an Internet fax service, use a slower fax speed. You can do this by changing the Fax Speed setting from Fast (the default) to Medium or Slow. To set the fax speed from the control panel 1. Press Setup. 2. Press 5, and then press 7. This selects Advanced Fax Setup and then selects Fax Speed. 3. Press to select one of the following settings, and then press OK. Fax speed setting Fast Medium Slow Fax speed v.34 (33600 baud) v.17 (14400 baud) v.29 (9600 baud) Cause: The HP All-in-One is not set up properly for faxing. Solution: You can only send and receive faxes by connecting a phone cord to the port labeled 1-LINE on the HP All-in-One and not from the Ethernet port. This means that your connection to the Internet must be done either through a converter box (which supplies regular analog phone jacks for fax connections) or your telephone company. Cause: Your telephone company does not support faxing over the Internet. Solution: Check with your telephone company to make sure their Internet phone service supports faxing. If they do not support faxing, you will not be able to send and receive faxes through the Internet. The fax log report shows an error Cause: If there is a problem or error encountered during sending or receiving a fax, a Fax Log report will print. Solution: Review the following table for information on the error codes in the Fax Log report. This information can help you troubleshoot any problems you encounter when using the fax features of the HP All-in-One. The table also indicates which codes are specific to Error Correction Mode (ECM). If the same error appears repeatedly, try turning off ECM. To change the ECM setting from the control panel 1. Press Setup. 2. Press 5, and then press 6. This selects Advanced Fax Setup and then selects Error Correction Mode. 3. Press to select On or Off. 4. Press OK. Fax troubleshooting 231

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Solution:
If you experience problems sending and receiving faxes while using an
Internet fax service, use a slower fax speed. You can do this by changing the
Fax
Speed
setting from
Fast
(the default) to
Medium
or
Slow
.
To set the fax speed from the control panel
1.
Press
Setup
.
2.
Press
5
, and then press
7
.
This selects
Advanced Fax Setup
and then selects
Fax Speed
.
3.
Press
to select one of the following settings, and then press
OK
.
Fax speed setting
Fax speed
Fast
v.34 (33600 baud)
Medium
v.17 (14400 baud)
Slow
v.29 (9600 baud)
Cause:
The HP All-in-One is not set up properly for faxing.
Solution:
You can only send and receive faxes by connecting a phone cord to the
port labeled 1-LINE on the HP All-in-One and not from the Ethernet port. This means
that your connection to the Internet must be done either through a converter box
(which supplies regular analog phone jacks for fax connections) or your telephone
company.
Cause:
Your telephone company does not support faxing over the Internet.
Solution:
Check with your telephone company to make sure their Internet phone
service supports faxing. If they do not support faxing, you will not be able to send and
receive faxes through the Internet.
The fax log report shows an error
Cause:
If there is a problem or error encountered during sending or receiving a fax,
a
Fax Log
report will print.
Solution:
Review the following table for information on the error codes in the
Fax
Log
report. This information can help you troubleshoot any problems you encounter
when using the fax features of the HP All-in-One. The table also indicates which codes
are specific to
Error Correction Mode
(ECM). If the same error appears repeatedly,
try turning off ECM.
To change the ECM setting from the control panel
1.
Press
Setup
.
2.
Press
5
, and then press
6
.
This selects
Advanced Fax Setup
and then selects
Error Correction Mode
.
3.
Press
to select
On
or
Off
.
4.
Press
OK
.
Fax troubleshooting
231