Dell 5110cn User Guide - Page 76

3. 4. Click Apply, and then click OK. 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 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. Lift the printer and align the four guide pins of the optional 1000-sheet tray module with the holes at the bottom of the printer. Gently lower the printer onto the 1000-sheet tray module.