Printronix L5520 User Manual download pdf (Page 231)

IEEE 1284 Parallel Interface Configuration

231

IEEE 1284 Parallel Interface Configuration

The printer is configured for the IEEE 1284 interface via the IEEE

1284 Interface menu, as described on page 75. The following

interface configuration parameters may be modified to meet

specific application requirements:

NOTE: Only the factory default settings are shown above. See

page 75 for additional options.

Termination Resistors

For parallel interface configurations, the printer is equipped with

470 ohm pullup and 1K pulldown terminating resistors located on

the printer motherboard, P/N 170011-001.

Generally, these terminating resistors are suitable for most

applications. If, however, the standard terminating resistor pack is

not compatible with the particular interface driver requirements of

your host computer, other values or combinations of pullup/

pulldown resistors may be necessary. For example, the

Dataproducts interface and some host computers require the use of

220 ohm pullup and 330 ohm pulldown resistors.

If you are experiencing communication problems between the

printer and host (double or missing characters), the cause may be

the value of the termination resistors on the motherboard. Contact

your authorized service representative for instructions on replacing

the termination resistors.

Ethernet Parallel Interface Configuration

The printer can be installed and configured for the Ethernet

interface via the Ethernet Interface menu, as described on page 80.

Prime Signal Enable

TOF Action Reset

Buffer Size in K 64

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Printronix L5520 User Manual Page 231