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3.2.2 Offset Calibration

Click “Offset Calibration” to enter the calibration wizard. Before executing the wizard, please ensure that the following two conditions are met. 

Offset Calibration

(1) The filament used for both extruders is Raise3D Premium PLA;

(2) Both the heat bed and the nozzles are cleaned properly.


Please select your printing nozzle caliber before starting the wizard, the factory default caliber is 0.4mm.

Calibration Options


The wizard is mainly divided into the following five steps. we strongly recommend that you complete all five steps in order.

(1) Left Z Probe Offset

Left Z Probe Offset refers to the distance between the nozzle and the heat bed when the probe is triggered. If the distance is too far, it will cause problems such as model not sticking to the building plate and deformation of the printed model; If the distance is too close, the extruder will have too little extrusion, and the nozzle will scratch the building plate.


Click “Next” to start the measurement. Please clean the nozzle and the building plate before the measurement.


Click “Next”. Wait for the extruder to move to the specified location.


After the nozzle drops to the specified position, according to the wizard, put a feeler gauge between the nozzle and the bottom plate, and choose to lift or lower the nozzle until the nozzle just touches the feeler gauge.


If the nozzle is far away from the feeler gauge, please choose to lower the nozzle downward; if the nozzle and feeler gauge are too close that squeezing the card, please choose to lift the nozzle upward. After adjusting the nozzle position, click “Next” and wait for the machine to print the calibration line. After printing is finished, follow the prompts and select the first line that is completely twisted. Then click on “Next”.

 

The Offset measurement results are shown in the figure below:


(2) Right Z Probe Offset

The Right Z Probe Offset calibration method is as the same as that of the left nozzle, please follow the instructions of the wizard for measurement.


(3) Bed Leveling

Click “Next” and start the “Bed Leveling”.


The leveling process takes about 3 minutes, please be patient.


The leveling result page is displayed as a 3D graph, you can click the “2D” button to switch.

Note: When the prompt text “Ready to print” displays on the screen, it means the heatbed flatness is good enough to printed directly. (You can manually level the bed according to the file How to Level the Bed.pdf )


When the prompt text is “The bottom plate is uneven, which may affect the printing”, it means you need to manually level the bed before printing.


(4) R-Nozzle X/Y Offset

The R-Nozzle X/Y Offset is the right nozzle in the XY direction relative to the left nozzle. Click “Next” to start.


The printer will automatically print the calibration model, the whole process takes about 10 minutes, please be patient and wait for the printing to finish.

After printing, follow the instructions of the wizard to select a pair of top and bottom aligned lines. Then Click “Next”.


The results are shown in the figure below:


(5) Dual-Color-Cube

The fifth step is to print a Dual-Color-Cube to verify that if the XY offset of the right nozzle is measured correctly. Click “Next” to start.


It will take about 15 minutes to print the “Dual-Color-Cube”, please be patient and wait for the printing to finish.

After printing, please compare with the pictures in the wizard. If the model shows “Failed” as shown in the figure below, please go through the previous step of the calibration wizard for the offset value of the right nozzle in the XY direction.

-END-

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