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User's Guide
Control Panel 4-37
Setting Communications Parameters
The next section of the Setup menu is communications. These param-
eters control data communications between the printer and the host
computer.
Select Interface
INTRFCE lets you select the parallel or serial interface port for commu-
nications with the host computer. You can select Par for parallel, Ser for
serial, or Auto for automatic switching between both ports on a first-
come, first-serve basis (while receiving data from one port, the printer
will set the other port to the busy state). When you change this param-
eter, the printer clears the data input buffer.
)Note: To use the serial interface, you must set the BAUD,
HNDSHK, DATA BITS, STOP BITS, and PARITY parameters to
match the serial configuration of the host computer. When using the
parallel interface, these parameter settings are irrelevant.
Specify Baud Rate
BAUD lets you tell the printer what serial baud rate your computer is
using. Baud rate is the speed that serial data is transmitted between your
computer and the printer. You can can select 75, 150, 300, 600, 1200,
2400, 4800, 9600 or 19200. Both your computer and the printer must
be set to the same baud rate.
Specify Input Buffer Size
BUFFER lets you change the size of the printer's data input buffer to
meet the specific requirements of your computer system. For example,
some older computer systems require a small printer buffer which
maximizes handshaking and prevents timeout errors from occurring. You
can specify 512 bytes, 1K, 2K, 4K, 8K, 16K, 32K, 48K, 64K, 80K, or
up to the total printer memory. When you change this parameter, the
printer clears the data input buffer.
42) INTRFCE: Auto
43) BAUD: 9600
44) BUFFER: 48K
User's Guide
Control Panel 4-37
Setting Communications Parameters
The next section of the Setup menu is communications. These param-
eters control data communications between the printer and the host
computer.
Select Interface
INTRFCE lets you select the parallel or serial interface port for commu-
nications with the host computer. You can select Par for parallel, Ser for
serial, or Auto for automatic switching between both ports on a first-
come, first-serve basis (while receiving data from one port, the printer
will set the other port to the busy state). When you change this param-
eter, the printer clears the data input buffer.
)Note: To use the serial interface, you must set the BAUD,
HNDSHK, DATA BITS, STOP BITS, and PARITY parameters to
match the serial configuration of the host computer. When using the
parallel interface, these parameter settings are irrelevant.
Specify Baud Rate
BAUD lets you tell the printer what serial baud rate your computer is
using. Baud rate is the speed that serial data is transmitted between your
computer and the printer. You can can select 75, 150, 300, 600, 1200,
2400, 4800, 9600 or 19200. Both your computer and the printer must
be set to the same baud rate.
Specify Input Buffer Size
BUFFER lets you change the size of the printer's data input buffer to
meet the specific requirements of your computer system. For example,
some older computer systems require a small printer buffer which
maximizes handshaking and prevents timeout errors from occurring. You
can specify 512 bytes, 1K, 2K, 4K, 8K, 16K, 32K, 48K, 64K, 80K, or
up to the total printer memory. When you change this parameter, the
printer clears the data input buffer.
42) INTRFCE: Auto
43) BAUD: 9600
44) BUFFER: 48K