You are the administrator of a network where many print devices are being used. A user Mike complains that whenever he sends a print job to a printer named Int_Prn, the printout is illegible. What is the most likely cause of this problem?（）

• A、Incorrect spooler setting
• B、Incorrect network protocol
• C、The spooler service is malfunctioning or has crashed
• D、Incorrect page size
• E、Incorrect paper size
• F、Incorrect driver