1.2
<Introduction>
Save time and money
• This printer allows you to use toner save mode to
save toner. See page 2.8.
• You can print on both sides of the paper to save
paper (double-sided printing) if you use the ML-
4551ND or install the optional duplex unit in the
ML-4550 and ML-4551N.
• You can print multiple pages on a single sheet of
paper to save paper (N-Up printing). See the
Software Section.
• You can use preprinted forms and letterhead with
plain paper. See the Software Section.
• This printer automatically conserves electricity
by substantially reducing power consumption
when not in use.
Expand the printer capacity
• Your printer has 128 MB of memory which can be
expanded to 512 MB. See page 10.1.
• 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.
* Zoran IPS Emulation compatible with PostScript 3
• © Copyright 1995-2005, Zoran Corporation.
All rights reserved. Zoran, the Zoran logo,
IPS/PS3 and OneImage are trademarks of
Zoran Corporation.
* 136 PS3 fonts
• Contains UFST and MicroType from Monotype Imaging Inc..
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Printer features
The table below lists a general overview of features supported by your
printer.
(I: Installed, O: Option)
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 documents.
• You can manage the print jobs in the print queue of the printer hard
disk.
For details, see page 10.4.
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.
Features
ML-4550
ML-4551N ML-4551ND
IEEE 1284 Parallel
I
I
I
USB 2.0
I
I
I
Network Interface
(Ethernet 10/100 Base TX)
O
I
I
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