(Picture 4-7)
Note:
If turn the knobs clockwise, the platform will rise, and vice versa.
Avoid the nozzle touching the bed; use a piece of A4 paper. Or it will scratch the bed.
For more details, please refer to this link:
http://geeetech.com/forum/viewtopic.php?f=112&t=62296
4.2 SD card printing
Insert the SD card into the slot. See picture (4-8).
(Picture 4-8)
Press and rotate the knob to enter the main menu. Select the option of "Print from SD". See
picture (4-9).