HP 3055 scanner error 2

I have a Printer HP 3055 it was working fine. since one year I had not clean it. today I tried to clean the dust by air blower. After that when I try to restart it was taking long time for scanner bulb warming message. when this message was disappeared after that it has been stuck on "scanner error 2". Printer is Printing fine but I cannot use scanner and the Photocopy option. I have already open the flat bed cover and cleaned the scanner but nothing happened. Please help me in this regard.