What is the main caution to remember when removing the HP Color LaserJet Enterprise CM4540
MFP scanner?

A.
The scanner must be removed with the SCB attached to prevent damage to the SCB cables.

B.
The top cover is not secured by screws, so you must be careful that the scanner does not fall off
the back of the device.

C.
When removing the scanner, you only remove the scissor hinges from the bottom portions that
attach to the engine.

D.
The control-panel adaptor must be removed with the scanner, requiring the USB cable to be
routed through the scanner assembly.