A customer complains that copy jobs using the ADF have lines on the output, but copy jobs from the
flatbed look fine. What is the most likely reason this is occurring?

A.
The ADF rollers are not rotating at a consistent speed

B.
One or more of the LEDs used for ADF copying have stopped working.

C.
The scanner is not in the correct location for ADF scanning.

D.
A small amount of dirt or a smudge is on the ADF glass.