Your Me2 is factory calibrated and tested when it arrives. You DO NOT need to run through this calibration process unless your prints are failing due to some change that has occurred in transit. Contact firstname.lastname@example.org for further advice if you are suffering out-of-the-box failures.
The Z-Offset defines the actual height difference between the limit switch on the extruder head and the extruder nozzle. It’s an important number that can be the difference between a perfect print and a squiggly pile of plastic spaghetti.
You shouldn’t need to calibrate your Z-Offset often, only when a change to the extruder has occurred. Please note that a new Me2 fresh out of the box is already calibrated. Still, you may need to tweak your offset from time to time due to wear, transport or part replacement.
Note: You will need to be using an account with admin privileges to perform a Z-Offset calibration.
The BuildFlow maintenance console
To access the Z-Offset calibration tool, access your list of printers at the top of the BuildFlow interface.
Click on the "MAINTENANCE" button next to the printer you wish to calibrate.
This will take you to a landing page which will give you the option to access manual controls, system info and troubleshooting tools for you printer. Click on "Maintenance" and then "Start Calibration".
Setting your new Z-Offset
Adjusting the height calibration of your printer in BuildFlow is an easy task, and is done by the look and feel of the test lines that your printer produces.
1. Wait for the printer to heat up. Once the printer has reached the target temperature, it move to the ready position.
2. Use the TEST button to test the print height. The printer will produce a long, thin box and then a single line in the box of the box, which should fill the shape.
3. Use the HIGHER and LOWER buttons to adjust the print height. NOTE: By default, the adjustment size is 0.1mm. You can set the adjustment size to either 0.1mm or 1mm. To keep track of each adjustment that you make, there is a counter that will display the Current Net Adjustment that you've made in millimetres.
4. After making an adjustment, click the TEST button to draw another calibration strip. A good calibration strip will not have any gaps between the lines, are flat to the touch with no obvious bumps and stick well to the print bed without being difficult to remove.
5. Use the FINISH CALIBRATION button to return to the maintenance console.
That’s it! You’re calibrated!
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