azteeg-x3-using-sd-card [Bukobot 3D Printer Instructions & Docs]

====== How to use the SD Card feature on the Azteeg X3 with the Bukobot ======

To use the SD card feature without a USB connection to the Azteeg X3 board, you need to change a jumper to switch the power source of the main chip to use the 12v power supply labeled as "INT". This is found by removing the top cover sheild carefully and changing the power jumper from USB to INT.

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===== Step 1 - Generate your G-Code =====

Start by generating your G-code file from Repetier Host or directly from Slic3r and save it to your computer.

**Filenaming is important!** Currently, you can only use 8 character + 3 extension naming system and avoid using spaces and special symbols like: "3Dobject.gco" or "print001.gco"

For "Auto Start" on SD card - The Marlin firmware has a built-in feature to automatically start a print job if the file is named: "auto0.g"


===== Step 2 - Copy G-code File to SD card on computer. =====

Once you have you G-code on your computer, copy the file directly on to the SD card using an SD card reader attached to your computer. It's NOT recommend to transfer files to the SD card while mounted to the Azteeg X3 board because of extremely slow tranfer rates (USB 1.0 speeds).

===== Step 3 - Start G-code =====

After inserting the SD card into the Azteeg board you have 2 options to start G-code:

1 - If you named you file "auot0.g", then simply turning on the Bukobot 3D printer should begin the print.

2 - If you connect through Repetier or Pronterface, you can bring up the SD card manager and select the file from a list to start.
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