You can follow these procedure in cleaning the print head , or click
HERE for illustrated procedure on how to do the cleaning.
Switch on the printer and be sure that it is connected to your computer. Insert a couple of pieces of paper into the printer.
Go to the Control Panel and click on "Printers and Faxes." Right-click the Epson printer that you need to clean and go to "Printing Preferences." Select the "Maintenance" or "Head Cleaning" tab.
Select the option for a "Head Cleaning." Perform the actions requested by the Epson wizard in order to start the cleaning. Your printer will start working and then the cleaning process will begin. Do not play with the printer while it is cleaning and don't attempt to print anything while the print head is being cleaned.
When the cleaning is complete, select "Print Nozzle Check" under your printing preferences dialog box and then "Print."