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Printer I/O Configuration
Parallel Menu
The default setting for the High Speed Parallel I/O is YES. If it is
set to NO, the interface runs at a slower speed that is compatible
with older computers. When the default is set to YES, the parallel
interface runs at a higher rate supported by newer computers.
Advanced Functions
The Advanced Functions feature of the printer enables
bi-directional communications between the printer and the host.
The default setting is ON. This default setting (ON) must be
active in order to use LaserJet Explorer, the Windows Printing
System, and other software applications and drivers.
Serial Configuration
Use RS-232C serial configuration when the printer is located 11
to 50 feet from the computer. If you need to locate the printer
between 51 and 2000 feet from the computer, use an RS-422A
serial configuration (not available on the LaserJet 4 Plus or 5).
Since the default-printer I/O setting on the printer is parallel,
remember to change the settings on the printer control panel for
serial printing.
Serial Protocol
When printing with a serial configuration, the same protocol
must be set on both the printer and the computer. Protocol on
the printer is set by changing the control panel. Protocol on the
computer is set by using DOS commands. The default protocol
settings are described below.
BAUD Rate
The BAUD-rate setting tells the printer how fast information is
transferred to and from the computer. The default BAUD rate
setting is:
BAUD RATE=9600*.
Configuration 3-33