Calibration for the Ultimaker Original

Bed leveling

In the last step of the “configuration wizard” Cura will guide you through some steps in order to calibrate the build plate. For printing it is very important that the first layer is nicely squished into the glass plate and sticks well to it. If the distance between the nozzle and build plate is too big, your print won’t stick properly to the glass plate. On the other hand, if the nozzle is too close to the build plate it can prevent the filament from extruding from the nozzle.

Before the bed leveling can be done, the Ultimaker Original will first do the "homing". This means that it will move the print head to the left front corner and the build plate will move up. After this, you can follow the steps below for leveling the build plate.

Adjusting the build plate

The print head will first move to the left front corner, so you can adjust the height. Adjust the screw in the front left corner of the build plate for setting the correct height (the nozzle should just be touching the build plate). Turning the screw to the left means that the platform will get closer to the nozzle.

When finished with this corner press “Resume” and the print head will move to the next point. Repeat these steps for all points.

Tip: For accurate bed leveling it is advised to use a piece of paper. Slide the piece of paper between the nozzle and build plate at each point and make sure that you feel slight friction when moving the piece of paper.


Check bed calibration

During the last step, the Ultimaker Original will print a square on the build plate in order to check if the build plate has been properly calibrated. For this step, make sure that filament has been loaded!

Successful first layer

When 3D printing, it’s very important that the first layer is nicely pressed onto the glass plate with flat lines of filament and no gaps in between. Check out the below images to see a successful first layer and two unsuccessful ones.

Successful first layer

Build plate too tight to nozzle

Build plate too far from nozzle

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