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How to use accelerometer (MK3.5/S)

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How to use accelerometer (MK3.5/S)

How to use accelerometer (MK3.5/S)
Relevant for:
MK3.5MK3.5S
Last updated 18 days ago
How to use accelerometer (MK3.5/S)
 Difficulty
Moderate
 Steps
14
 Available languages
ENCSPLDEITFR

Step 1 Introduction

Introduction
Introduction
⬢This guide will take you through the Input shaper calibration using an accelerometer on your MK3.5 or MK3.5S.
The input shaper is calibrated from factory. However, if you made some modifications to the printer hardware, it might be benefitial to re-calibrate the settings using the accelerometer.
⬢All necessary parts are available in our eshop prusa3d.com.
Note that you have to be logged in to have access to the spare parts section.

Step 3 Parts preparation

Parts preparation
Parts preparation
⬢For the following steps, please prepare:
⬢Accelerometer cable (1x)
⬢Accelerometer cover (1x)
⬢Accelerometer bracket (1x)
⬢Accelerometer (1x)

Step 4 Accelerometer assembly

Accelerometer assembly
Accelerometer assembly
Accelerometer assembly
Accelerometer assembly
⬢Attach the cover onto the accelerometer. Note that the notch on the cover fits around the connector.
⬢Connect the cable into the accelerometer.
⬢Attach the bracket onto the assembly.
Make sure the cable goes underneath the top part of the bracket and no cable is getting pinched.

Step 5 Preparing the printer

Preparing the printer
Preparing the printer
⬢Make sure your printer runs firmware 6.1.0 or newer.
⬢If your printer has an older firmware, please upgrade to 6.1.0 or newer.
Before you start, make sure that the printer is switched OFF and the power cord is disconnected from the printer (power supply unit)!

Step 6 xBuddyボックスを開きます

xBuddyボックスを開きます
xBuddyボックスを開きます
xBuddyボックスを開きます
⬢プリンタの左側から、xBuddy ボックスカバーの M3 ネジ 4 本を緩め、プリンタから取り外します。
⬢Find the print fan connector on the marked position on the xBuddy board.
The connector can be hidden behind the cable bundle. In that case, try to move the cable bundle away carefully. Make sure not to damage or disconnect any of the cables in the bundle.

Step 7 Connecting the accelerometer

Connecting the accelerometer
Connecting the accelerometer
Connecting the accelerometer
⬢Disconnect the marked connector on the xBuddy board. Leave it temporarily disconnected.
⬢Connect the accelerometer cable into the same connector on the xBuddy board.
⬢Leave the xBuddy box open, until the calibration is complete.
Do not touch any of the internal components while the printer is on and running.
⬢Leave the connected accelerometer aside for now. Make sure it doesn’t interfere with any of the printer’s moving parts.

Step 8 Calibration part 1

Calibration part 1
Calibration part 1
Calibration part 1
⬢Connect the printer and turn it on.
⬢Navigate to the menu Settings > Input Shaper > Calibration
⬢The printer will park its axes.

Step 9 Calibration part 2

Calibration part 2
Calibration part 2
Calibration part 2
Calibration part 2
⬢

Once prompted to by the on-screen wizard, attach the accelerometer assembly onto the extruder.

⬢First, make sure the assembly is oriented as seen in the picture. The cable should be pointing towards the extruder.
⬢Insert the assembly into the space between the print-fan and the extruder-front part. Make sure it is firmly attached.
⬢Continue with the on-screen Wizard.

Step 10 Calibration part 3

Calibration part 3
Calibration part 3
Calibration part 3
Calibration part 3
⬢Once prompted to by the on-screen wizard, remove the accelerometer assembly from the extruder.
⬢Lift the print sheet on the heatbed. Attach the protruding part on the accelerometer by the print sheet.
Make sure the cable is on top of the print sheet.
⬢Make sure the accelerometer holds firmly on the heatbed.
⬢Proceed with the on-screen wizard.

Step 11 Calibration part 4

Calibration part 4
Calibration part 4
Calibration part 4
⬢Once the calibration is successfull and complete, select YES to store the new values in the printer.
⬢Remove the accelerometer from the heatbed and re-seat the print sheet so that it is aligned properly.
⬢Turn off the printer and disconnect it from power.

Step 12 Disconnecting the accelerometer

Disconnecting the accelerometer
Disconnecting the accelerometer
Disconnecting the accelerometer
Disconnecting the accelerometer
⬢Disconnect the accelerometer from the xBuddy board.
⬢Connect the print fan connector back into the xBuddy board.
⬢Verify all the connections are exactly the same as before.

Step 14 Finish

Finish
Finish
⬢Congratulations. You have just re-calibrated the input shaper.
⬢Turn on the printer and run a test print.
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