Testing: #1 use the load test and determine if the feeder is gripping (can you manually cause it to skip steps by holding the filament while it’s trying to feed. Grinding or slipping= failure. T...
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Setting the Stepper current on the Melzi board
Description Stepper motors are rated for a specific current and sometimes the stepper drivers are not set correctly to match the stepper motor of if you change your motors this may need to be adjusted...
Y Axis Rod Alignment
Description If your Y axis rods are not parallel, it will twist the bed as it moves making leveling next to impossible. A symptom of this is when leveling the bed, 3 corners are right but the 4th corn...
Acceleration and Jerk
Description Some of the default firmware settings are great for showcasing the speed capabilities of the printer, but are not optimized for print quality. Specifically, the Jerk and Acceleration setti...
Configuring Repetier Host for the Di3
Description Repetier Host is a software program for controlling the printer, slicing STL files (using either Cura or Slic3r) and printing gcode files. Repetier Host can also be used to edit the EEPROM...
Z-Axis Squaring
Description When first unboxing the printer, it is very likely the Z axis has gotten out of alignment. This will result in the X-axis being out of square with the printer – one side will be m...
X-Axis Rod and Carriage Adjustment “Blueprinting”
Description Very often, the X axis rods come loose during shipping. This can create problems with layer alignment as the rods slide back and forth during printing. This process is called “Blu...
Extruder Steps
Description The Duplicator i3 ships with the esteps incorrectly set for the gear used on the extruder. You should follow this procedure to calibrate your esteps. If you make any mechanical changes...