Nikon D100 Problem

Can someone tell me what has gone wrong with my D100? I am getting a dark line on the left hand side of all pictures, about at the center vertically. I have tried different lenses with the same result. Everything appears to be clean. Thanks for any help.

Tom

Looks like you might have some dust on your sensor.

Or if the same lens, might be on the lens, element at the back, front, or inside. Might be on a filter if you have one, you need to look.

Looks like hair or a long dust particle of some sort. Most likely, it's not the lens but somewhere between the lens and the sensor. Probably something on the sensor itself.