The Kobra 3 Combo printer has been calibrated before leaving the factory. After completing the operation according to the novice guide function of the machine, it can print directly. If the machine is abnormal due to transportation reasons, we may need to manually calibrate it to ensure that the printer is working properly.
H10 Wrench*1
S2.5 Allen key*1
S3.0 Allen key*1
Feed tray*1
Check if the print head module is loose, as shown in the figure.