HP LaserJet M4345 Multifunction Printer series - Manual (Page 235)

Solve fax problems
Solve sending problems
Faxes quit during sending.
Cause Solution
The fax machine to which you are sending might be
malfunctioning. Call the recipient to make sure that the receiving fax
machine is turned on and ready to receive faxes, or try
sending to another fax machine.
Your telephone line might not be working, or the line might
be experiencing interference. Disconnect the fax cable from the telephone jack, and then
connect a telephone. Make a phone call to ensure that the
telephone line is working.
Try using a lower baud rate by adjusting the Maximum Baud
Rate setting in the Administration menu. See
Initial Setup
menu .
The device fax is receiving faxes but is not sending them.
Cause Solution
If the device is on a PBX system, the PBX system might be
generating a dial tone that the fax cannot detect. Disable the detect dial tone setting. See the fax guide for
information about changing the setting.
There might be a poor telephone connection. Resend the fax later.
The fax machine to which you are sending might be
malfunctioning. Call the recipient to make sure that the receiving fax
machine is turned on and ready to receive faxes, or try
sending to another fax machine.
Your telephone line might not be working. Disconnect the fax cable from the telephone jack, and then
connect a telephone. Make a phone call to ensure that the
telephone line is working.
Outgoing fax calls keep dialing.
Cause Solution
The fax automatically redials a fax number if either the
Redial on Busy feature or the Redial on No Answer feature
is enabled. Disable the Redial on Busy and Redial on No Answer
features. See the fax guide for information about changing
the settings.
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