Sun storage L7 Problem

Dear Expert ,

We have L7 , when we power on we see on lcd messages "drive Post E" , According sun Doc SunSolve , there problem picker or Driver , I try move slot to slot successfully, On Lcd panel i can not see load drive (look like any inside tape in drive , but when i am select eject menu, then get error ),it is possible drive problem ? ,How resolve this problem ? .

Thanks

Hadi