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After calibrating the build plate with the first nozzle, the second nozzle needs to be aligned as well, to ensure the heights of
both nozzles are set correctly. For this it is only necessary to set the correct height by using the calibration card.
1. Place the calibration card between the second nozzle and build plate.
2. Rotate the button at the front of the Ultimaker 3 until it touches the calibration card and fine-tune it until you feel slight
friction/resistance when moving the card.
There should always be a distance of 14 mm between the bottom of the heated bed and top of the base plate to
prevent errors during active leveling.
Leveling frequency
The Ultimaker 3 will ask how often you want to level your build plate, once you have leveled it. These are the options:
•
Every day
•
Every week
•
After startup
•
Never
•
Automatic (the frequency is determined by the printer based on printing hours)
You can always change the leveling frequency by going to System
g
Build plate
g
Frequency in the menu.
XY offset calibration
Besides the vertical offset, the horizontal distance between the nozzles, in the X and Y direction, also needs to be
stored. The print cores that are supplied with the Ultimaker 3 are already calibrated, but when the printer detects a
new combination you have to do an XY offset calibration first. This calibration must only be done once; after this, the
information is stored on the printer. A correct XY calibration will ensure that the two colors or materials align well.
To do the calibration you will need the XY calibration sheet, which you can find in the Accessory Box or download here.
Ensure 2 print cores and materials are installed before starting the calibration.
To start the calibration:
1. Go to System
g
Maintenance
g
Calibration
g
Calibrate XY offset.
2. The Ultimaker 3 will now print a grid structure on the build plate. Wait until it is finished.
3. Once the Ultimaker 3 has cooled down, remove the glass plate from the printer and place it on the XY calibration
sheet. Ensure the printed grid is exactly placed on the two rectangles on the sheet.
4. Find the aligned lines on the printed X grid and look which number belongs to these lines. Enter this number as the X
offset value on your Ultimaker 3.
5. Find the aligned lines on the printed Y grid and look which number belongs to these lines. Enter this number as the Y
offset value on your Ultimaker 3.
It is important that the printed XY offset print adheres well to the build plate and shows no signs of under-
extrusion. If it does, it is recommended to re-do the calibration print.
