Table of Contents Introduction .....................................................................................................1 How to use this guide......................................................................................................1 Safety............................................................................................................................2 Overview .........................................................................................................3 What happens when... ...........................................................................................3 Powering up:
.........................................................................................................3 Powering Down .....................................................................................................4 Loading Material....................................................................................................4 Building a Part .......................................................................................................4 Electronics Overview ..............................................................................................6 Single Board Computer...........................................................................................7 Controller Board ....................................................................................................8 Overview ..............................................................................................................8 Voltage Generation ................................................................................................8 Dual Port Memory Interface .....................................................................................8 X, Y, Z Axis Control................................................................................................8 Material Motor Control ...........................................................................................8 Temperature Control...............................................................................................8 Liquefier Temperature Control ..................................................................................9 Actuators, Switches & Optical Sensors ......................................................................9 Safety Devices .....................................................................................................10 Controller Board Layout ........................................................................................10 Reset Button.........................................................................................................11 Dip Switches........................................................................................................11 SW2 ..................................................................................................................12 SW5 ..................................................................................................................12 SW6 ..................................................................................................................12 Memory ..............................................................................................................12 LEDs ...................................................................................................................12 Power Distribution Board (PDB) ..............................................................................14 Chamber Temperature Control...............................................................................15 Test Points and LED’s ............................................................................................16 I/O Card ............................................................................................................18 Head Board ........................................................................................................19 Printer overview ...................................................................................................20