Installation and SetupPhaser 6140 Color Laser PrinterUser Guide47• To enable the duplex unit, select Available from the Duplex Unit drop-down list.6. Click OK.Enabling Optional Features for LinuxNote: These instructions are for using Common UNIX Printing System (CUPS), accessed through aWeb browser.1. Open your computer’s Web browser. In the address field, type http://127.0.0.1:631 and then pressEnter.2. At the CUPS Home tab, click the Manage Printers button.3. Locate your printer in the list and then click the Set Printer Options button for your printer.4. At the Set Printer Options page, enable the optional features installed on your printer:• In the Memory field, select the amount of Memory in MB.• If you have the 250-sheet feeder installed, select 2-Tray in the Paper Tray Configuration field.• To enable RAM Disk (minimum 512 MB required), select the Available option.• To enable automatic 2-sided printing, at the Duplex Unit field, select the Available option.5. Click Set Printer Options to save the settings.
