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Serial Menu
Use the Serial Menu to change printer settings affecting jobs sent to the printer through a serial port (either
Standard Serial or Serial Opt <x>).
Note: Values marked with an asterisk (*) are the factory default settings.
Menu Item Purpose Values
Baud
To specify the rate at which data can
be received through the serial port.
1200
2400
4800
9600*
19200
38400
57600
115200
138200
172800
230400
345600
Data Bits
To specify the number of data bits that
are sent in each transmission frame.
7
8*
Honor DSR
To determine whether the printer uses
the Data Set Ready (DSR) signal.
DSR is one of the handshaking signals
for most serial interface cables.
The serial interface uses DSR to
distinguish data sent by the computer
from data created by electrical noise in
the serial cable. This electrical noise
can cause stray characters to print.
Select On to prevent stray characters
from printing.
Off* All data received by the serial port is
treated as valid data.
On Only data received while the DSR
signal is high is treated as valid.
Job
Buffering
To temporarily store jobs on the printer
hard disk before printing.
Note: Changing the Job Buffering
menu item automatically resets the
printer.
Off* Does not buffer print jobs to the hard
disk.
On Buffers print jobs to the hard disk.
Auto Buffers print jobs only if the printer is
busy processing data from another
input port.