Lexmark MX810dfe User Manual page 351

Troubleshooting
Action
Step 6
Check if the printer is connected to an analog phone service or the
correct digital connector.
The fax modem is an analog device. Certain devices can be
connected to the printer so that digital telephone services can
be used.
•
If you are using an ISDN telephone service, then connect
the printer to an analog telephone port (an R-interface port)
on an ISDN terminal adapter. For more information and to
request an R-interface port, contact your ISDN provider.
•
If you are using DSL, then connect to a DSL filter or router
that will support analog use. For more information, contact
your DSL provider.
•
If you are using a PBX telephone service, then make sure
you are connecting to an analog connection on the PBX. If
none exists, then consider installing an analog telephone
line for the fax machine.
Is the printer connected to an analog phone service or the correct
digital connector?
Step 7
Check for a dial tone.
Did you hear a dial tone?
Step 8
Temporarily disconnect other equipment (such as answering
machines, computers with modems, or telephone line splitters)
between the printer and the telephone line, and then try sending
or receiving a fax.
Can you send or receive a fax?
Yes No
Go to step 7. Connect the printer
to an analog phone
service or the correct
digital connector.
Go to step 8.
The problem is Go to step 9.
solved.
351
•
Try calling the fax
number to make
sure that it is
working properly.
•
If the telephone
line is being used
by another
device, then wait
until the other
device is finished
before sending a
fax.
•
If you are using
the On Hook Dial
feature, then turn
up the volume to
check if you hear
a dial tone.