Epson AcuLaser C1900 Reference Manual page 25

The Duplex Unit (C12C813921) provides for automatic
printing on both sides of the paper.
The Hard Disk Drive (C12C823921) expands the printer's
capacity by allowing you to expand the printer's receive
buffer when the Ethernet interface is used and to print
complex and large print jobs at high speed.
An optional memory module expands your printer's
memory, allowing you to print complex and
graphics-intensive documents.
The Adobe
allows your printer to print documents in the PostScript
printing language. It cannot be used for a Macintosh
connected with an IEEE 1394 Type B Interface Card.
The IEEE 1394 Type B Interface Card (C12C82372 ) can be
used for Macintosh users. It can be connected to a Macintosh
®
FireWire port.
You can install various optional interface cards to supplement
your printer's built-in parallel, USB, and Ethernet interfaces
to provide added network compatibility.
Note:
The asterisk ( ) is a substitute for the last digit of the product number,
which varies by country.
® ®
PostScript 3™ ROM Module (C12C832531)
®
Printer Parts
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