I NTRODUCTION11.3Expand the machine capacity• This machine has 32 MB of memory which can beexpanded to 160 MB.• You can install an optional 250-sheet tray in your machine.This tray reduces how often you have to add paper to themachine.• A PostScript 3 Emulation* (PS) enables PS printing(SCX-4520S/4720FS only).• A Network interface enables network printing. You can addthe optional network interface card.You can also use an optional wireless network interface.* PostScript 3 Emulation© Copyright 1995-2004, Zoran Corporation. Allrights reserved. Zoran, the Zoran logo, IPS/PS3and OneImage are trademarks of zoranCorporation.* 136 PS3 fontsContains UFST and MicroType from Agfa Monotype Corporation.Print in various environments• You can print in Windows 95/98/Me/NT 4.0/2000/XP.• Your machine is compatible with various Linux.• Your machine is compatible with various Macintosh(SCX-4520S/4720FS only).• Your machine comes with both the USB and Parallelinterface. The Parallel interface is available depending onyour country.• You can also use a Network interface. You can also usean optional wireless network interface, but, you need toadd the optional network interface card.Use a USB flash driveIf you have a USB flash drive, you can use it in various ways withyour machine.• You can scan documents and save them on the USB flashdrive.• You can directly print data stored on the USB flash drive.• You can manage the USB flash drive.• You can back up data and restore backup files to themachine’s memory.
