110
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
–
Maintenance & Troubleshooting Manual
o
Plastic roller (g.18 - 1) is in place and free to move
o
Microswitch (g.18
–
2) is working OK
If everything OK, put back cover on sensor(s)
5)
G-code correctly enables the sensor (M11)
6)
To validate installation:
a.
Be sure that ALL sensors have been fitted with filaments
b.
On two-nozzle machine: be sure that there is a jumper on the unused branch of cable
assembly (you may need to open the cable cover inside heated chamber)
c.
Connect to machine (PC or print server)
d.
Send M119 command. Machine will reply with
“
filament_runout_pin: NOT TRIGGERED
“
if
everything is OK.
e.
Remove a filament and again sending an M119 command you must get a
“
filament_runout_pin: TRIGGERED
“
reply.
f.
If not, check again connections
Figure 6.37.1 Filament Sensor
6.38
Printer Jams frequently
–
Cooling Circuit jammed
In case you are experiencing one of the following situations:
•
SSU0 (or other low-temperature filament) is giving printing problems/jams into entry at upper part
of the extruder
•
Support polymer
doesn’t
stick properly to raft/part
•
You are unable to remove filament from extruders
•
Plastic pipes entering/exiting the extruder holder block are showing some dark colored spots
•
Plastic pipes entering/exiting the extruder holder block are showing
some “cloudy”
substances
