Texas Instruments TravelMate 4000M User Reference Manual page 189

Printers
MIDI
Connection
SCSI
Cables
You may connect almost any parallel printer
to the parallel port or a serial printer to the
serial port. Texas Instruments makes a variety
of laser and impact printers you may use with
your computer. (Printer interface cables sold
separately.)
Allows you to connect external game and
audio devices to your computer.
High Density to High Density
(TI Part No. 9794074-0001)
High Density to 50-Pin Centronix
(TI Part No. 9694074-0002)
List of Options
TravelMate Options 11-3