Replace the hot end
1. Remove the screws on both sides of the print head cover (a total of 4);
2. Unplug the connecting terminal on the hot end and loosen the top wire that fixes the hot end;
3. Remove the entire hot end;
4. Insert the hot end that needs to be replaced, tighten the top screw when it is in place, and then plug in the
connecting terminal.
5. Install the print head cover and circuit board protective cover
7. Trouble Removal
1. Check whether the power cord is inserted firmly
2. Check if the power switch is turned on
3. Confirm whether the socket has power
Filament may be stuck in the nozzle, please refer to
<1000 hours maintenance>
Please check the lubricating condition, wipe oil on the optical axis and
evenly lubricate again.
Another possibly reason is rack affected by external force during transport
( At the moment you need to contact MINGDA after sales service)
SD card damaged; SD card slot damaged; SD card inserted deep
insufficient; the slots line is loose.
Can't show temperature or heat
The temperature sensor the heater is in poor contact or damaged; the
main board is faulty.
Note: After replacing the hot end, it is necessary to recheck the deviation values of the left and right heads. If
the deviation is too large, it needs to be recalibrated
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