Shenzhen Anycubic Technology Co., Ltd.
23
FAQ
1. LCD malfunction (no power/blank)
a. Ensure the machine is well connected to the power/PC.
b. Ensure the wiring of LCD is correct (EXP1 to EXP1; EXP2 to EXP2).
c. Ensure the firmware has been uploaded. If not, LCD would show blank.
d. Adjust the brightness by rotate the small „contrast‟ knob on the back of LCD.
2. Motor malfunction (shaking/run opposite)
a. Please check with the A4988 driver to see if the Al cooling fin contacts with the pins.
In this case A4988 is very likely damaged and need change.
b. Reverse the wiring of motor or change the firmware code (true ↔ false).
#define INVERT_X_DIR true; #define INVERT_Y_DIR true; #define INVERT_Z_DIR true
#define INVERT_E0_DIR true; #define INVERT_E1_DIR false; #define INVERT_E2_DIR false
3. Off-line print abnormal
a. Check according to Question 1.
b. Ensure the read/write of SD card is OK.
c. Ensure the file format in SD card is Gcode instead of STL, and file name should be
in English instead other languages.
4. Print head malfunction (block/leakage)
a. Block at the nozzle. Two possible causes: (1) low quality filament and (2) metal
scrap inside the nozzle. Please clean the nozzle using cleaning screw or contact us.
b. Block at the throat. Two possible causes: (1) insufficient cooling. Check the cooling
fan; and (2) careless assembly. Ensure the tube has been well screwed down.
c. Block between the quick connector and the Al radiator. The reason is most likely
insufficient cooling, so please check the cooling fan.
d. Leakage. The very likely reason is careless sealing. Please ensure each part is well
assembled or contact us for help.
5. Filament output abnormal
a. No output. Two possible causes: (1) refer to Question 4; (2) insufficient heating for
filament. Normally the printing temperature range of PLA and ABS is 180-200 and
210-240 degree C, respectively. Try to increase the printing temperature or
improve the heat insulation of the printing head.
b. Rough output. (1) Check with Question 4; (2) check with the extruder, especially the
extrusion wheel and the extrusion bearing. Clean and adjust them if necessary.
6. Print head shaking
a. Ensure the screws on carbon fiber tubes are well connected.
b. Ensure the clamp to fix the Al radiator is well fixed.
c. Check belt tensioners, pulley carriages/linear rails and the corresponding screws.
7. Print head suspending or knocking toward platform
Please refer to Parameter settings, Step 1.
8. Abnormal extrusion
Please refer to Parameter settings, Step 5.
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