Geeetech

Hello, i bougth the Acrylic Prusa Mendel I3 a few years ago and today it started to have somw problems with the firmware. It has stopped to move the X and Y axis in positive and the extruder doesnt move. I have cheched changing cables and the controller chips and it seems to be the firmware.
Can ...

How do i optimize slicer for this model? Which is the difference between Slic3r and CuraEngine?

Finally i achieved to print big pieces from the SD card, is a bit annoying, but it works. Now im having another problem with the print quality. This to pieces are supposed to fit together, but the material seem to deform for some reason

Yes, Z axis seem to be good now, it still makes some nioses and jams passing the 10 cm height but i wont be printing that height. I will try to print from an SD card, how do i save the slicing to a SD card? i would rather not prefer to do it, because i will miss the info from the Repeties Host so if ...

I dissassembled the mk8 extruder fna and it resulted that the gears were misaligned: i correctedit and it works normal now.

Acrylis Prusa i3. I've been recently printing small pieces and it works fin, but when i try to print pieces that cos most than an hour it suddenly stops working after 40 minutes or so. When it stops it gives no error message, the LCD and Repetier Host shows that the print stills been made, but the ...

I've been printing with the Acrylic Prusa I3 foe a week now and im having a problem with the Z axis. It prints well (Had problems with the extruder that i already solved) but qhen it reaches 2 cm in Z axis both motor jams and doesnt come up. How can i calibrate? Is it due to bad pieces or i mounted ...

i've tried to load the fillament in the extruder, it heats up good, but the motor jams and cant load it up. If i pull the fillament back, the motor works normally

I've tried to upload the code and gives me this error:
avrdude: ser_open(): can't open device "\\.\COM3": Access denied.

avrdude: ser_drain(): read error: Controlador no válido.

I have further tried with an updated version of arduino and it stops giving me taht error, but it shows this whe i try to verify the code:

Arduino:1.6.0 (Windows 7), Placa:"Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

sketch_apr15a.cpp.o: In function `loop':
/Arduino/sketch_apr15a.ino:1 ...