Receiving faxes I HAVE A REFURBISHED LEXMARK X 1270. I HAVE WINDOWS VISTA ON A DELL COMPUTER. I CAN FIND NO INSTRUCTIONS ON HOW TO RECEIVE A FAX, JUST HOW TO SCAN AND SEND A FAX THRU MY COMPUTER. HOW DO I RECEIVE A FAX? OR CAN I WITH THIS SETUP?

u need to have a modem that can send receive fax, then install faxing software in computer, install dell drivers then setup modem, and send recieve program, to send fax u scan n save then use fax program to use image sometimes it may scan and send at same time? read manual with program

Yes your printer will send and receive faxes. 1. Make sure: • The printer is connected to a computer that is equipped with a fax modem. • The computer is connected to a working phone line. • Both the printer and the computer are turned on. 2 Load an original document facedown on the scanner glass.
Here is the manual, in case you don't have one http://www.retrevo.com/d/ds/progress?doc=7d2128cd89431b0e3d4c2a1c31fa8fc4
3 From the desktop, double-click the Imaging Studio icon. 4 Click Fax. 5 Click Scan and send a fax. 6 Click Preview Now. 7 Click and drag the dotted line box to select a specific area of the preview image to fax. 8 Adjust the settings as needed. 9 Click Next. 10 Follow the instructions on the computer screen to complete the task. Receiving a fax using the software 1 Make sure: • The printer is connected to a computer that is equipped with a fax modem. • The computer is connected to a working phone line. • Both the printer and the computer are turned on. 2 From the desktop, double-click the Imaging Studio icon. 3 Click Fax.

To install and configure the Microsoft® Fax software:Click the Start button.

Click the Control Panel icon.

Double-click the Add or Remove Programs icon.

Click the Add/Remove Windows Components icon on the left side of the Add or Remove Programs window.

When the Windows Components Wizard window appears, click to place a check in the box next to the Fax Services listing. 

Click the Next button.

When the Files Needed window appears, insert the Windows® XP CD into the CD-ROM drive. 

From the Copy files from: drop-down button, select the drive-letter that represents your CD-ROM drive. 

Click the OK button. to automatically open and close several installation windows.

When the Installation Complete window appears, click the Finish button. 

Close the Add or Remove Programs window. 

Click the Start button, point to All Programs, point to Accessories, point to Communications, and then point to Fax. 

Click Fax Console.

When the Welcome to Fax Configuration window appears, click the Next button. 

Enter any appropriate information in the fields provided. 

Click the Next button. 

Select your data/fax modem from the drop-down button located below the Please select the fax device listing. 

Click the Manual answer button or Automatically answer after (specify number of rings) button. 

Click to select the Enable Receive listing.
 Note:  
  By selecting the Enable Receive check box, you can receive faxes. However, selecting this option may cause the computer modem to answer all incoming phone calls in which you may not receive voice mail.  

Click the Next button. 

Enter your TSID (Transmitting Subscriber Identification) information in the field provided. 

Click the Next button. 

Enter the CSID (Called Subscriber Identification) information in the field provided. 

Click the Next button.

When the Routing Options screen appears, click to select the Print it on check box if you want each received fax to be automatically printed. If selected, use the drop-down menu to the right of this field to select the Dell AIO Printer to print the received fax. Your printer must be on and connected to your computer in order to automatically print faxes.
To create an archive copy of each fax, click to select the Store a copy in a folder check box. 

Click the Browse button to select the desired archive location. 

Click the Next button to display the Configuration Summary list. 

Confirm your configuration settings are correct, and then click the Finish button.
You are now ready to send or receive faxes.

http://support.dell.com/support/topics/global.aspx/support/dsn/document?c=us&l=en&s=gen&dn=1091795

have you tried connecting it to another telephone line, also try replacing the fax lead

Here is the link for your Manual for instructions. . 
http://www.lexmark.com/publications/pdfs/2007/5300/en.html

Scroll through the MENUS and set your machine to MANUAL MODE, then you will have to push the START button to receive a fax.

on a lexmark if someone send you a fax ,first the machine has to be in fax mode ,then when the phone start ringing you have to press the start button or #9 button

You need Vista Compliant drivers - go to LexMark support
Mean while
try this
Go to Start/Programs/Accessories/System Tools/Compatibility Wizard[ or go to search - type in Compatibility Wizard]
Reset the machine to Run as Win XP or 98

i need simple instructions to operate the receiving and sending of fax information on this lexmark 4270 fax machine .

Do have dial up modem if Yes you can use to send a fax from ur computer using the "Lexmark Fax Solutions".And the connection should From the wall jack to the computer dial up modem line in and Computer should be on o recive fax and to send Fax..If You have DSL modem you cannot send or receive faxes you need special setup...

for Fax set up please this link : http://support.lexmark.com/cgi-perl/knowledgebase.cgi?ccs=229:1:0:549:0:0&framed=&docid=ENUS25296&relevance=1