Enable caller ID.

From the control panel, navigate to:

Settings > Fax > Fax Setup > Fax Receive Settings > Admin Controls > Enable Caller ID

For non-touch-screen printer models, press to navigate through the settings.

Does the caller ID appear?

The problem is solved.

Contact customer support.

Step 1

Resolve any error messages that appear on the display.

Can you send or receive a fax?

The problem is solved.

Go to step 2.

Step 2

Make sure that the cable connections for the following equipment are secure:

• Telephone

• Handset

• Answering machine

Can you send or receive a fax?

The problem is solved.

Go to step 3.

Step 3

Check for a dial tone.

• Call the fax number to check if it is working properly.

• If you are using the On Hook Dial feature, then turn up the volume to check if you hear a dial tone.

Can you hear a dial tone?

Go to step 5.

Go to step 4.

Step 4

Check the telephone wall jack.

1. Connect the analog telephone directly to the wall jack.

2. Listen for a dial tone.

3. If you do not hear a dial tone, then use a different telephone cable.

4. If you still do not hear a dial tone, then connect the analog telephone to a different wall jack.

5. If you hear a dial tone, then connect the printer to that wall jack.

Can you send or receive a fax?

The problem is solved.

Go to step 5.

Step 5

Check if the printer is connected to an analog phone service or to the correct digital connector.

• If you are using an Integrated Services for Digital Network (ISDN) telephone service, then connect to an analog telephone port of an ISDN terminal adapter. For more information, contact your ISDN provider.

• If you are using DSL, then connect to a DSL filter or router that supports analog use. For more information, contact your DSL provider.

• If you are using a private branch exchange (PBX) telephone service, then make sure that you are connecting to an analog connection on the PBX. If none exists, then consider installing an analog telephone line for the fax machine.

Can you send or receive a fax?

The problem is solved.

Go to step 6.

Step 6

Temporarily disconnect other equipment and disable other telephone services.

1. Disconnect other equipment (such as answering machines, computers, modems, or telephone line splitters) between the printer and the telephone line.

2. Disable call waiting and voice mail. For more information, contact your telephone company.

Can you send or receive a fax?

The problem is solved.

Go to step 7.

Step 7

Scan the original document one page at a time.

1. Dial the fax number.

2. Scan the document.

Can you send or receive a fax?

The problem is solved.

Contact customer support.

Step 1

Load an original document properly into the ADF tray or on the scanner glass.

Can you send faxes?

The problem is solved.

Go to step 2.

Step 2

Set up the shortcut number properly.

• Check if the shortcut number is set for the telephone number that you want to dial.

• Dial the telephone number manually.

Can you send faxes?

The problem is solved.

Contact customer support.

Step 1

Make sure that the paper source is not empty.

Can you receive faxes?

The problem is solved.

Go to step 2.

Step 2

Check the ring count delay settings.

From the control panel, navigate to:

Settings > Fax > Fax Setup > Fax Receive Settings > Rings to Answer

For non-touch-screen printer models, press to navigate through the settings.

Can you receive faxes?

The problem is solved.

Go to step 3.

Step 3

If the printer is printing blank pages, then see Blank or white pages.

Can you receive faxes?

The problem is solved.

Contact customer support.

Step 1

Check the printer connectivity.

1. Print the Network Setup Page. From the control panel, navigate to:

   Settings > Reports > Network > Network Setup Page

   For non-touch-screen printer models, press to navigate through the settings.

2. Check the network status.

Is the printer connected to the network?

Go to step 3.

Go to step 2.

Step 2

Make sure that the printer is connected to a network and that the network is connected to the Internet.

Can you set up etherFAX?

The problem is solved.

Go to step 3.

Step 3

Make sure that etherFAX is set up correctly. For more information, see Setting up the fax function using etherFAX.

Can you set up etherFAX?

The problem is solved.

Go to https://www.etherfax.net/lexmark.

Step 1

Make sure that the printer is connected to a network and that the network is connected to the Internet.

Can you send or receive faxes using etherFAX?

The problem is solved.

Go to step 2.

Step 2

1. From the control panel, navigate to:

   Settings > Fax > Fax Setup > General Fax Settings.

   For non-touch-screen printer models, press to navigate through the settings.

2. Make sure that you have the correct fax number.

3. Make sure that Fax Transport is set to etherFAX.

Can you send or receive faxes using etherFAX?

The problem is solved.

Go to step 3.

Step 3

Split large documents into smaller file sizes.

Can you send or receive faxes using etherFAX?

The problem is solved.

Go to https://www.etherfax.net/lexmark.

Step 1

Make sure that there are no print quality defects.

1. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages. For non-touch-screen printer models, press to navigate through the settings.

2. Correct any print quality defects. For more information, see Print quality is poor.

Is the fax print quality satisfactory?

The problem is solved.

Go to step 2.

Step 2

Decrease the incoming fax transmission speed.

1. From the control panel, navigate to:

   Settings > Fax > Analog Fax Setup > Fax Receive Settings > Admin Controls

   For non-touch-screen printer models, press to navigate through the settings.

2. In the Max Speed menu, select a lower transmission speed.

Is the fax print quality satisfactory?

The problem is solved.

Contact customer support.

1. Turn off the printer, wait for about 10 seconds, and then turn on the printer.

2. Send or retrieve the fax.

Is there missing information on the fax cover page?

The problem is solved.

Contact customer support.

Step 1

1. Make sure that the print driver is updated. For more information, see Installing the printer software.

2. Send the fax.

Can you send the fax cover page?

The problem is solved.

Go to step 2.

Step 2

1. From the document that you are trying to fax, open the Print dialog.

2. Select the printer, and then click Properties, Preferences, Options, or Setup.

3. Click Fax, and then clear the Always display settings prior to faxing setting.

4. Send the fax.

Can you send the fax cover page?

The problem is solved.

Contact customer support.