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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
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Maintenance & Troubleshooting Manual
Figure 6.4.1 Motherboard Cabling
2)
Drivers
Drivers are the interface between the motherboard and the stepper motors that move XYZ and E
axes. Care must be taken to seat them without bending pins and with the correct orientation
(trimmer at right) To check current on each driver: put multimeter probes as shown below (black
probe on “
-
” PWR screw, red probe on selected driver trimmer).