RepRap Guru Prusa i3 Instruction sheet
Prusa i3 Configuration Manual
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Basic skills required:
A little better than basic computer skills
Tools/Supplies required:
A computer running Windows XP or better
Now on to the fun! Let’s get this printer setup!
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Step 1: Download all required software:
Download the following software from the links provided:
The latest Arduino IDE (for the OS you have):
http://arduino.cc/en/Main/Software
Repetier Host (for the OS you have):
http://www.repetier.com/download/#w
(you can choose to donate to Repetier if you wish, if not, the link is just below the donate box)
All the files in this folder on Google Drive:
https://goo.gl/csU6RI
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Step 2: Install all required software:
Install the Arduino IDE software.
Install Repetier Host (don’t configure yet)
If any warnings come up, accept them, it’s safe, we swear!
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Step 3: Open Arduino IDE
Launch the Arduino IDE software and open the .ino file
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Step 4: Connect printer to PC
Your printer does not need to be plugged into the wall at this point.
Connect the USB cable to the port on the Arduino MEGA (the underside of the electronics) on the printer.
Your computer should recognize the board and install the drivers automatically. If your computer does not see
the Arduino board, you may have some wiring wrong. In that case, un-plug it and check all of your wiring,
especially the end stops.
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Step 5: Choose serial port in the Arduino IDE software
In the Arduino IDE software, open the Tools menu then Serial Port, choose the highest number COM port you
see (usually the Arduino board)
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Step 6: Choose the type of board in the Arduino IDE
In the Arduino IDE software, open the Tools menu then Board; choose the Arduino Mega 2560 or ADK
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Step 7: Upload the Arduino Sketch to the board
In the Arduino IDE software, click the upload button (the right facing arrow)
When the sketch is done uploading, close the IDE application.
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Step 8: Configure Printer Settings in Repetier Host
Open Repetier Host
Click “Printer Settings” Make sure the “easy” mode is off (red)
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Enter the settings as shown below:
Enter “Prusa” at the top to name the printer and click “Apply”
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This should do it for the Printer Settings menu.
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Step 9: Configure Slicer Settings in Repetier Host
In Repetier Host, click the Slicer Tab and click Configuration:
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Here are some good starting points for Slic3r
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Now that we’ve set up the software, let’s make some printer adjustments!
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Step 10: Connect to printer in Repetier host
Plug the printer into 110v power
In Repetier Host, click “Connect” at the top left
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Step 11: Home X and Y axes
Click on the Manual Control tab in Repetier Host and click on the Home X and Home Y buttons:
The X and Y home position should be at the back right of the print bed, you want this to be about 1mm from
the corner, loosen and adjust the X and Y end stops to adjust the distance.
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