I just put a new toner and drum unit in machine . It now puts a black line on the paper edge that comes out along back of copier and it comes and goes and it is fused . I tried to clean every where I could see and reach .

Generate a question about the above context.
What will happen if the narrator cleans the machine ?
Choose your answer from:
[A]. The black line will go away .
[B]. The narrator will need to replace the toner .
[C]. The drum unit will need to be replaced .
[D]. The drum unit will become fused .