Instone INVENTOR PRO, User Manual, Page: 20 / 23

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Precautions and FAQ
1. Precautions
A. High-temperature danger. There’s heating board inside the machine. Wait for cooling
down before maintenance.
B. Motor drive can cause crushing and cutting damage. Do not touch any part of the machine
while the machine is working.
C. When operating the equipment, it may cause irritating odor. Keep the environment
ventilated and open when using INVENTOR PRO.
D. Do not leave the INVENTOR PRO unattended while the INVENTOR PRO is operating.
E. When printing is complete, the nozzle and filament are still hot, remove it from the print
platform after cooling down.
2.FAQ
Question 1:
Stop suddenly when printing online.
Causes Solutions
The USB cable is loose or unplugged. Check the USB port, re-plug cable or use SD card instead.
Program stops or crashes. Restart the software or computer.
Problems of computer ’ s port. Replace the computer, use SD card instead.
Question 2: No filament comes out from the nozzle.
A. If this problem happens with clatters from nozzle when install the new filament, please
check whether the filament head inserted to the tube inside the nozzle, whether it stuck in the
mouth of nozzle, then take out the filament, re-insert after trim.
B. If it is determined that the head has entered the heating head but with clatters, check if the
current temperature of the print head is correct.
C. If the nozzle just extrudes for a while then stops, and with clatters, this might be caused by
the deformation of the filament and stuck of nozzle resulting from too high temperature. Take
out the filament, re-insert after trim, and set the correct temperature.
D. Check if there’s knot and stuck of filament at the material hanger.
E. If the above solutions can’t solve the problems, you can try to open the nozzle cover,
remove the fan and radiator to be repaired. During the repair, it might require nozzle with
temperature, pay special attention not to touch the heating head to prevent burns.
Remove the plastic cover on the right Figure 1