A user states that when printing to the duplex color printer they get an error that the device does not support front to back printing. Which of the following is the MOST likely cause?

A.
The color printer is out of magenta toner.

B.
The color printer’s drum kit has reached its end of life.

C.
In the printer drivers the duplex unit option is not activated.

D.
The duplex unit has not been calibrated on the printer.