Dell 5110cn User Guide - Page 83

5. Mac OS X 1. Select the printer from the Printer List screen in Print Center (or Printer Setup Utility). 2. Click Printers on the Print Center (or Printer Setup Utility) menu bar, and select Show Info. 3. Select Installable Options, and select the options that have been installed on the printer, and then click Apply Changes. Installing the Optional 500-Sheet Tray Module and 1000-Sheet Tray Module 1. Make sure that the printer is turned off and unplug all cables including the power cord from the rear of the printer. 2. Lock down the brakes of the two casters at the front of optional 1000-sheet tray module. CAUTION: Failure to lock down the brakes can cause the printer to move unexpectedly, resulting in injury. 3. Hold the upper side of the paper tray cover and pull it toward you to remove it from the back of the printer.