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Formatter System 5-17
Input/Output
Parallel Interface
The Formatter PCA receives incoming data through its Bidirectional
Interface (IEEE 1284). The I/O provides high speed and two way
communication between the printer and the host, allowing the user to
change printer settings and monitor printer status from the host
computer. The user may configure the
HIGH SPEED
item in the Control
Panel Menu. The default setting,
YES
, allows the I/O to run at the
higher speeds supported by most newer computers. When set to
NO
,
the parallel interface runs at the slower mode that is compatible for
older computers. The user may also configure the
ADVANCED
FUNCTIONS
item. The default setting,
ON
, allows for two way parallel
communications. The
OFF
mode disables the advanced functionality.
The I/O is compatible with the Bidirectional Parallel Interface
standard.
Expanded I/O
The optional Expanded I/O card can be installed in the slots provided
on the Formatter PCA. It provides automatic I/O switching between
multiple computers or networks connected to the printer. The network
versions for the HP LaserJet 4000 series printers include LocalTalk
and the HP JetDirect Multi-protocol Network Card with
Ethernet/10Base-T and 10Base-2. The network versions for the
HP LaserJet 4050 series printers include the HP JetDirect Print Server
with 10/100 Base TX.
HP Fast InfraRed Receiver
The HP Fast InfraRed Receiver enables wireless printing from any
iRDA-compliant portable device (such as a laptop computer) to the
HP LaserJet 4050, 4050 N, 4050 T, or 4050 TN printer.
The printing connection is maintained by positioning the sending
infrared port within operating range. Note that the connection can be
blocked by objects such as a hand, paper, direct sunlight, or any
bright light shining into either infrared port.
Flash
Flash is provided in optional 2 MB and 4 MB flash memory DIMMs for
storing forms, fonts, and signatures.