212
Chapter 11: Memory and Option Cards
Tri-PortInterfaceOption Card
The Tri-Portinterface option card lets you connect to:
•A LocalTalknetwork
•Serial interface (RS-232C or Serial RS-422A)
•An infraredadapter
For information about the LocalTalknetwork, see “Local-
Talk M enu”on page 96.
For moreinformation about serial interface, see “Serial
Menu”on page 87.
An infraredadapter receives an infrared beam that allows
you to print remotelyto an IrDA-compatible computer.
For moreinformation, see “Infrared Menu”on page 93.

Installing the Tri-PortInterface Option Card

Toinstall, complete the following two sections in order:
•“Accessing the Printer System Board”onpage 201
•“Installing an Option Card”on page 216
Hard Disk Option
Like the flash memory option, the harddisk option is use-
ful for storing information such as downloaded fonts,
macros,and symbol sets.
Note: Data stored on the hard
disk option is kept in memory
when the printer is turned off.
Youcan also use the hard disk option to store incoming
print jobs in a bufferuntil they print. Since harddisk
memory providespermanent storage, job buffering to the
harddiskpreventsthelossofprintjobdataiftheprinter
loses power.It may also free your application faster for
other work. Job bufferingis only available for jobs trans-
mitted acrossthe standard parallel and USB interface.
CardConnector Points
LocalTalkPort
SerialPort
InfraredPort