Dell 2335DN - Manual (Page 262)

See "Testing Fax line connection" .
The printer is monitoring line condition while it is
receiving or sending a fax job. If an error occurs during the
transmission and the ECM Mode setting is On, the printer
may request that the portion of the fax job to be resent.
You should turn off ECM Mode only if you are having
trouble sending or receiving a fax job, and you are willing
to accept the errors in the transmission job. Turning off the
setting might be useful when you are trying to send a fax
long distant or receive from long distant (example: other
countries etc.)
The printer might be out of paper and the memory is
full.
The printer cannot
receive faxes from an
extension telephone.
The fax cable might not be securely connected.
The printer dialing mode might be incorrectly set, or
the extension phone might be incorrectly set.
Faxes are not
received automatically.
The Fax mode should be selected.
Make sure that there is paper in the paper tray.
Check to see if the display shows Memory Full.
The Receiving fax
has blank spaces or is
received in poor-quality.
A noisy phone line can cause line errors.
Check your printer by making a copy.
Receiving faxes are
too light.
The printer might be running out of toner while printing a
fax. Under Toner empty conditions, the printer will store the fax
job into memory, as soon as possible, replace the print cartridge,
and then reprint the fax.
Faxes are printed on two
pages instead of one. The auto reduction setting may be turned Off, try enabling
this setting
Receiving Faxes are
not been printed by the
printer
Receive Forward feature might be turned Off, try
enabling this setting. You can set the printer to forward all
incoming faxes to specified e-mail addresses. Please carry out
Line Test from Op-panel to confirm line status. See
"Testing Fax
line connection" .
The printer is not
sending fax.
If your printer is on a PBX system, the PBX system
might be generating a dial tone that the printer cannot
detect.
Fax Line might have signal integration issues. Please
carry out Line Test from Op-panel to confirm line status.
See
"Testing Fax line connection" .
No dial tone sound. Check that the phone line is connected properly.
Please carry out Line Test from Op-panel to confirm line
status. See
"Testing Fax line connection" .
Check that the phone socket in the wall is working by
plugging in another phone.
Fax Line might have signal integration issues. Please
carry out Line Test from Op-panel to confirm line status.
See
"Testing Fax line connection" .
Fax Line might have signal integration issues. Please
carry out Dial Tone Test from Op-panel to confirm line
status. See
"Testing Fax line connection" .