A duplexer unit has been added to an existing laser printer. The printer prints normally but it will not print on both sides of the paper. Which of the following is the FIRST action a technician should take when addressing this issue?
A.
Update the printer firmware to the latest version for duplexing.
B.
Delete the printer queue and recreate it.
C.
Check the manufacturer s documentation and website for any known problems with the duplexer unit.
D.
Check the configuration settings of the printer for duplex enabled.