What must be done to run paper through the printer with the covers off?

A.
Remove the left-side cover and depress the engine-test switch. A single test page prints.

B.
Remove the right-side cover and depress the engine-test switch. A single test page prints.

C.
Remove the left-side cover and depress the engine-test switch during the power-on cycle. A single
test page punts.

D.
The printer does not allow you to run paper through the paper path with the covers off.