Dell H815DW User Manual page 524

Problem
The incoming fax has blank spaces or is
received in poor quality.
Some of the words on an incoming fax are
stretched.
There are lines on the documents you send. Check the surface of the document glass and DADF glass for marks and clean it.
Vertical lines appear on the documents when
you send using the DADF.
The printer dials a number, but the
connection with another fax machine fails.
Documents are not stored in the memory.
Blank areas appear at the bottom of each
page or on other pages, with a small strip of
text at the top.
The printer will not send or receive faxes.
An error often occurs during a fax
transmission or reception.
The printer receive faxes, but it does not
print.
524
Troubleshooting Guide
Action
Check your printer by making a copy.
The toner cartridge may be empty. Replace the toner cartridge. See "Replacing the
Toner Cartridge."
A noisy phone line can cause line errors. Set the fax modem speed to a slower
speed.
The fax machine sending you the fax may be faulty.
The fax machine sending you the fax had a temporary document jam.
See "Cleaning the Scanner."
Clean the DADF glass.
The other fax machine may be turned off, out of paper, or cannot answer incoming
calls. Speak with the other machine operator and ask her/him to sort out the
problem.
There may not be enough memory to store the document. If the display shows a
message, delete any documents you no longer need from
MFP Memory Full
the memory and then restore the document, or wait for the job in progress (e.g., a
fax transmission or reception) to complete.
You may have chosen the wrong paper settings in the user option setting. See
"Print Media Guidelines."
Ensure that the country code is set correctly. Press the
and tap the Tools tabtap

Fax Settings Fax Line Settings
Check the dialing type for Tone or Pulse.
Check that the cables are connected properly.
If the telephone line cord is connected to the printer via any device such as an
answering machine and a computer, remove the device and directly connect the
telephone line cord to the printer.
Ensure that
Junk Fax Setup
Reduce the modem speed. Press the
tabtap
Tools Admin Settings
Transmission Defaults
Check the toner level.
Ensure that there is paper in the paper tray.
Ensure that Received Fax Forward
Check whether the printer is in the secure receiving mode. If this mode is turned
on, enter the correct password or turn off this mode to print faxes in memory.

Admin Settings

Country
is set to .
off
(Information) button and tap the

Fax Settings

.
Modem Speed
is set to off .
(Information) button
.
