Service Manual
Summary of Product
3-6
Samsung Electronics
Expand the printer capacity
• Your printer has 128 MB of memory which can be expanded to 512 MB.
• A Network interface enables network printing. You can add an optional network interface
card to the ML-4550. The ML-4551N and ML-4551ND come with a built-in network
interface, 10/100 Base TX.
• You can add 500-sheet optional trays to your printer. These trays let you add paper to the
printer less often.
• A PostScript 3 Emulation* (PS) enables PS printing.
Use the optional hard disk
You can install an optional hard disk in your printer.
• The 40 GB hard disk can store the data from your computer in the print queue. This decreases the workload of the
computer.
• You can use various print features, such as storing a job in the hard disk, proofing a job, and printing private docu-
ments.
• You can manage the print jobs in the print queue of the printer hard disk. For details.
Print in various environments
• You can print in Windows 98/Me/NT 4.0/2000/XP/2003.
• Your printer is compatible with Linux and Macintosh.
• Your printer comes with both Parallel and USB interfaces.
• You can also use a network interface. The ML-4551N and ML-4551ND come with a built-in network interface, 10/100
Base TX. However, you need to install the optional wired network interface card to the ML-4550.
Printer Features
The table below lists a general overview of features supported by your printer.
(I: Installed, O: Option)
Features ML-4550 ML-4551N ML-4551ND
IEEE 1284 Parallel I I I
USB 2.0 I I I
Network Interface O I I
(Ethernet 10/100 Base TX)
Hard Disk O O O
PostScript* Emulation I I I
Duplex Unit O O I
Optional Tray 2 O O O
Optional Tray 3 O O O
Optional Tray 4 O O O