Dell C3765dnf Color Laser Printer User Manual
Page 555
Troubleshooting Guide
553
No dial tone sounds.
Check that the phone line is connected properly. See "Connecting the Telephone
Line."
Check that the phone socket in the wall is working by plugging in another phone.
Diagnose the fax connection. See "Diagnosing the Fax Connection."
The numbers stored in the memory do not
dial correctly.
Ensure that the numbers are stored in the memory correctly.
Print a Phone Book list.
The document does not feed into the
printer.
Ensure that the document is not wrinkled and you are putting it in correctly.
Check that the document is of the right size, not too thick or thin.
Ensure that the DADF cover is firmly closed.
Faxes are not received automatically.
The
FAX
mode should be selected.
Ensure that there is paper in the paper tray.
Check to see if the display shows
MFP Memory Full
.
If the time interval specified for the following features is too long, change the time
interval shorter such as 30 seconds.
• Auto Rec Fax
• Auto Rec TEL/FAX
• Auto Rec Ans/FAX
Diagnose the fax connection. See "Diagnosing the Fax Connection."
The printer does not send faxes.
Sending Fax
should show up on the display.
Check the other fax machine you are sending to, to see if it can receive your fax.
Check the dialing type for Tone or Pulse.
Ensure that the document is loaded in the DADF or on the document glass.
Diagnose the fax connection. See "Diagnosing the Fax Connection."
The incoming fax has blank spaces or is
received in poor quality.
Check your printer by making a copy.
The toner cartridge may be empty. Replace the toner cartridge. See "Replacing the
Toner Cartridges."
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.
Some of the words on an incoming fax are
stretched.
The fax machine sending you the fax had a temporary document jam.
There are lines on the documents you send. Check the surface of the document glass and DADF glass for marks and clean it.
The printer dials a number, but the
connection with another fax machine fails.
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.
Documents are not stored in the memory.
There may not be enough memory to store the document. If the display shows a
MFP Memory Full
message, delete any documents you no longer need from
the memory and then restore the document, or wait for the job in progress (e.g., a
fax transmission or reception) to complete.
Blank areas appear at the bottom of each
page or on other pages, with a small strip of
text at the top.
You may have chosen the wrong paper settings in the user option setting. See