Lexmark 279 manual Troubleshooting 225

Troubleshooting		225
Action	Yes	No
Step 6	Go to step 7.	Connect the printer to
Check if the printer is connected to an analog phone service or the correct		an analog phone
digital connector.		service or the correct
The fax modem is an analog device. Certain devices can be connected		digital connector.
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	Go to step 8.	• Try calling the fax
Check for a dial tone.		number to make
		sure that it is
Did you hear a dial tone?		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.
Step 8	The problem is solved.	Go to step 9.

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?

Step 9 The problem is solved. Go to step 10.

aTemporarily disable call waiting. Contact your telephone company to obtain the keypad sequence for temporarily disabling call waiting.

bTry sending or receiving a fax.

Can you send or receive a fax?