Changes
/* Printing */
* When it done, click on Print button to open the Printing dialog.
* Wait the software connect with the printer, Connection button will turn from clickable to readonly and Print button will turn from readonly to clickable.
* Set the temperature with the arrows (yeah it's not working by putting the number directly)
* Wait a bit so the hot end distributively warmed
* Extrude before printing, so the wire is at the start of the hot end
* Make sure the wire is extruding
* Click the Print button.
* '''KEEP YOUR EYES ON THE PRINTER THROUGHOUT THE PRINTING PROCESS!!!''' And clean which could interfere the printing.
