Maybe there’s a deck out back

Your facilities department is having an issue printing some of their complex blueprints to a network laser printer. When they pick up their output, the top half shows their blueprint but the bottom half of the page is completely blank. Which of these is the most likely cause of this issue?

A) The network is faulty

B) The laser printer is out of toner

C) The blueprinting application is faulty

D) The laser printer is out of memory

E) The blueprints are for only one side of a duplex building