6.   Make sure you update your printer driver to indicate the new option is installed. Removing the Duplex Unit Attention: To avoid paper jams, make sure no jobs are printing when you
start this procedure. If necessary, press the Online key to take the printer
offline.
1.   Power off and unplug the printer.
2.   Open the rear cover. 3.   Squeeze the green levers and slide the duplex unit out of the printer. Chapter 8. Installing Optional Printer Features 175