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12.Tension rods and material installation

Installation of tension rods：

Refer to the following video  ：

Check that the paper sensor is working properly.

Check whether the plug of the material sensor at the back of the printer is connected, as shown in the figure:
(The positions of the sensors in different types of printers are slightly different.)

Film install： 

Refer to the following video  ：

Pay attention to the rotation direction of the feeding motor. After pressing the "-" or "=" button, the motor should release the film and the tension rod should drop. If the motor tightens the film and the tension rod rises, it indicates that the motor is moving in the wrong direction. Press the button in the opposite direction.