Dell 3110cn Color Laser Printer User Guide - Page 75

5. Windows 2000/NT 4.0 1. Click Start Settings Printers. 2. Right-click the printer that is using the PS driver, and then select Properties from the displayed list. 3. Click the Device Settings tab, and then select 2-Tray Module for the Paper Tray Configuration item under Installable Options. 4. Click OK. 5. Close the Printers dialog box. 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 a Duplexer NOTICE: To protect the drums of the print cartridges against bright light, close the front cover within 5 minutes. If the front cover remains open for more than 5 minutes, print quality may deteriorate. NOTICE: Make sure nothing touches or scratches the surface (black-colored film) of the belt unit. Scratches, dirt, or oil from your hands on the film of the belt unit may reduce print quality. 1. Make sure that the printer is turned off. 2. Remove all packaging from duplex module. 3. Push the side button and open the front cover.