LEXMARK X4270 driver, software download including for vista

To get the driver you need to make sure the type of vista you are using normal of 64x. There are also other driver for LEXMARK X4270 as below
Windows XP
Windows XP Professional x64
Windows Vista (x64)
Windows 2000
Windows Vista
Windows Server 2003
MAC
UNIX
Linux
OS/2

It is also highly recommended for you to check you registry status to make sure there is no conflict. You can scan your registry from this link click here

You can download the LEXMARK X4270 driver, software and information from this link click here

 Error Msg.
If you lexmark have error message such as
1203 Error Message on the Lexmark 4200 Series All-In-One
The 1203 error message is caused by either a communication failure between one of the printheads (cartridges) and the All-In-One (AIO) or by a short in one of the printheads.  The procedures below will help you to resolve this issue.

The 1200 error is caused by a cartridge carrier stall. 

To resolve this kind of error please follow instruction here in "Get Support" Section.

If you can't get into above instruction link.. for Error code 1203 try below

Step	Action
1	Power off the All-In-One (AIO) and remove the power supply from the back of the unit.  Wait 30 seconds, then reinsert the power supply and power the AIO on.Did the error message return? Yes: Continue to step 2. No: Print a test page.  If the test page prints, the error is resolved.
2	Power off the AIO and remove the power supply from the back of the unit.  Open the top cover of the AIO. Using the carrier belt, gently move the cartridge carrier to the middle of the unit.
3	Remove both cartridges from the AIO.  Close the top cover, reinsert the power supply, and power the All-In-One (AIO) on.Did the error message return? Yes: There is a hardware problem with the printer.  Continue to Contacting Lexmark. No: Continue to Step 4.
4	Power off the AIO and remove the power supply from the back of the unit.  Open the top cover of the AIO. Using the carrier belt, gently move the cartridge carrier to the middle of the unit.
5	Insert the color cartridge.  Close the top cover, reinsert the power supply, and power the AIO on.Did the error message return? Yes: Continue to Cleaning the Cartridge Contacts, then repeat steps 4 and 5.  If you have already tried cleaning the contacts, continue to Defective Cartridge Test. No: Continue to step 6.
6	Power off the AIO and remove the power supply from the back of the unit.  Open the top cover of the AIO. Using the carrier belt, gently move the cartridge carrier to the middle of the unit.
7	Insert the black cartridge.  Close the top cover, reinsert the power supply and power the AIO on.Did the error message return? Yes: Continue to Cleaning the Cartridge Contacts, then repeat steps 6 and 7.  If you have already tried cleaning the contacts, skip to Defective Cartridge Test. No: Print a test page.  If the test page prints, the error is resolved.

Cleaning the Cartridge Contacts

NOTE: The embedded links in the table lead to specific troubleshooting documents.

Step	Action
1	Power off the AIO and remove the power supply from the back of the unit.  Open the top cover of the AIO. Using the carrier belt, gently move the cartridge carrier to the middle of the unit.
2	Remove the cartridges. Clean the cartridge contacts (click here for instructions) and the AIO carrier contacts (click here for instructions).

Defective Cartridge Check

To test the cartridge, replace it with either a new cartridge or a known good cartridge from another printer of this type.