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How to replace the door sensor (CORE One)

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How to replace the door sensor (CORE One)

How to replace the door sensor (CORE One)
Relevante para :
CORE One
Ultima actualización 2 days ago
How to replace the door sensor (CORE One)
 Dificultad
Difícil
 Pasos
27
 Idiomas disponibles
ENDE

Paso 1 Introduction

Introduction
Introduction
Introduction
⬢This guide will take you through the Door Sensor replacement on your Prusa CORE One.
⬢Todas las piezas necesarias están disponibles en nuestra tienda prusa3d.com.
Ten en cuenta que debes iniciar sesión para tener acceso a la sección de repuestos.
Warning: You will be handling metal sheets in this guide. Be careful!

Paso 2 Tools necessary for this guide

Tools necessary for this guide
Tools necessary for this guide
Tools necessary for this guide
⬢Por favor prepara las herramientas para este guía:
⬢2mm Allen key
⬢2.5mm Allen key
⬢T10 Torx key
⬢Flush cutters are recommended as an optional tool.

Paso 3 Printer Preparation

Printer Preparation
Printer Preparation
Printer Preparation
⬢On the printer, visit the menu Control and trigger the Auto Home.
⬢Turn the printer off using the switch on the back.
⬢Disconnect the printer from power.

Paso 4 Side Cover Removal

Side Cover Removal
Side Cover Removal
Side Cover Removal
⬢Remove the five Nylon rivets holding the plastic side cover.
⬢We recommend using flush cutters to lift the top part of the rivet, unlocking it. Then, remove the bottom part of the rivet.
⬢Remove the plastic side cover.

Paso 5 Side Panel Removal

Side Panel Removal
Side Panel Removal
⬢Remove the marked Nylon rivets holding the Side Sheet Metal Panel.
⬢Remove the panel.

Paso 6 Front Panel Disengage

Front Panel Disengage
Front Panel Disengage
Front Panel Disengage
⬢Lift the front sheet metal panel with the LCD upward on the right side to unhook it from the corner profile.
The panel is held by magnets.
⬢

Once unhooked from the corner profile, pull the panel forward slightly to keep it unhooked.

Be very careful when moving the front panel assembly, as there are cables connected to the LCD. Ensure you do not disconnect or damage them!
⬢Move the front panel assembly to the right. Move it just so that you gain access to the two screws on the left.

Paso 7 Corner Profile Removal (Part 1)

Corner Profile Removal (Part 1)
Corner Profile Removal (Part 1)
Corner Profile Removal (Part 1)
⬢On the side of the printer, remove the three screws holding the corner profile.
⬢From the front of the printer, remove only the two marked screws securing the corner profile.

Paso 8 Corner Profile Removal (Part 2)

Corner Profile Removal (Part 2)
Corner Profile Removal (Part 2)
Corner Profile Removal (Part 2)
Corner Profile Removal (Part 2)
⬢Leave the top screw holding the corner profile in place for now.
⬢Notice the door switch lever poking through an opening in the profile.
⬢

Hold the printer’s door with one hand while removing the top screw holding the profile.

After removing the screw, carefully unhook the corner profile from the top part, ensuring the door switch is not damaged during the process.

⬢Then, remove the corner profile along with the door, ensuring the lever of the door switch is not damaged.

Paso 9 Back Cover Removal (Part 1)

Back Cover Removal (Part 1)
Back Cover Removal (Part 1)
Back Cover Removal (Part 1)
⬢On the inside of the printer, remove the two screws holding the back cover.
⬢On the back of the printer, slide the center cover downwards.
If it’s difficult to move, use a screwdriver as a lever through the opening to assist.
⬢Ensure the four hooks on top of the cover are disengaged from the metal chassis.

Paso 10 Back Cover Removal (Part 2)

Back Cover Removal (Part 2)
Back Cover Removal (Part 2)
Back Cover Removal (Part 2)
Back Cover Removal (Part 2)
⬢Move the cover slightly towards the back.
⬢Pull the bottom part of the cover outward while tilting the top toward the printer. This will unhook it from the cable bundle behind.

Paso 12 Cable Disconnecting

Cable Disconnecting
Cable Disconnecting
Cable Disconnecting
⬢Locate the door switch cable connected to the A_TEMP connector on the xBuddy board.
⬢Disconnect the cable from the connector.
Note that the connector has a safety latch that must be pressed to disconnect it.
⬢Carefully cut the zip ties securing the cable bundle where the door switch connector cable is located.
Proceed with extreme caution to avoid damaging any cables.

Paso 13 Cable Removal

Cable Removal
Cable Removal
Cable Removal
Cable Removal
⬢Guide the connector through the opening on top of the xBuddy cover.
⬢Guide the cable through the opening to the inside of the printer.
⬢From the inside of the printer, pull the cable until it goes through.
Be careful. Do not damage the connector!

Paso 14 Sensor Removal

Sensor Removal
Sensor Removal
Sensor Removal
Sensor Removal
⬢Cut off the three zip-ties holding the cables to the Core XY assembly.
⬢Cut off the zip-tie holding the cable just below the door sensor.
⬢Using the 2mm Allen key, remove the M2.5x10 screw. Then remove the sensor.

Paso 16 Sensor Installation

Sensor Installation
Sensor Installation
Sensor Installation
Sensor Installation
⬢Slightly loosen the marked sensor calibration bolt. Two turns should be enough.
⬢Attach the new door sensor to the marked location, ensuring the lever is pointing upward. Fix the sensor in place using the M2.5x10 screw in the bottom opening only.
⬢While tightening the screw, push the sensor slightly towards the calibration screw in the back.
⬢Secure the sensor cable to the printed part with a zip-tie, then trim the excess zip-tie.
Make sure to leave some slack in the cable near the sensor body.

Paso 17 Cable Attachment

Cable Attachment
Cable Attachment
⬢Guide the sensor cable together with the WLED cable under the Core XY metal profile.
⬢Secure the cable bundle under the metal profile using zip-ties in the marked spots. Trim any excess zip-tie.
Proceed carefully to prevent damaging the cables!

Paso 18 Cable Guidance

Cable Guidance
Cable Guidance
Cable Guidance
Cable Guidance
⬢Guide the cable through the opening toward the back of the printer.
⬢Gently pull the cable out on the other side.
⬢Guide the cable into the xBuddy box.

Paso 19 Cable Connection

Cable Connection
Cable Connection
Cable Connection
Cable Connection
⬢Secure the cable bundle to the hooks inside the xBuddy box using two zip-ties.
Avoid overtightening the zip-ties to prevent damage to the cables.
⬢Plug the door sensor cable to the connector labeled A_TEMP on the xBuddy board.
⬢Attach the xBuddy box cover using the 6 M3x4bT screws.

Paso 20 Back Cover Installation

Back Cover Installation
Back Cover Installation
Back Cover Installation
Back Cover Installation
⬢Cover the cables with the sheet metal part, making sure none of the cables is getting pinched.
⬢Push the cover up, so that the four tabs engage into the recesses.
⬢While pushing the cover up, fix it in place using two M3x4bT screws from the inside of the printer.

Paso 21 Corner Profile Installaton

Corner Profile Installaton
Corner Profile Installaton
Corner Profile Installaton
Corner Profile Installaton
⬢Now, reattach the corner profile with the door.
We need to align the profile without damaging the door sensor lever.
⬢

First, position the tabs with the threaded openings behind the top profiles on both the front as well as on the side. 

While moving the profile, keep a close eye on the door switch!!

⬢Fix the profile using the top M3x4bT screw only, for now.
⬢Push the switch lever to verify if it fits the opening and clicks correctly, when pressed.

Paso 22 Corner Profile Attachment

Corner Profile Attachment
Corner Profile Attachment
Corner Profile Attachment
⬢

Fix the corner profile in place using the three M3x4bT screws on the left side.

Ensure the tab on top of the corner profile is positioned behind the top part of the printer’s frame, as seen in the picture.
⬢Fix the corner profile using two M3x4bT screws on the front.

Paso 23 Front Panel Attachment

Front Panel Attachment
Front Panel Attachment
Front Panel Attachment
Front Panel Attachment
⬢Move the front panel to the left, until it engages into the corner profile.
There are cables connected to the LCD. Ensure you do not disconnect or damage them!
⬢With the right side of the panel lifted, push it toward the printer until it is flush with the front of the printer.
⬢Then, move the right side of the panel down to engage it into the corner profile on the right side.
⬢Align the front panel with the printer’s frame.

Paso 24 Sensor Initial Calibration

Sensor Initial Calibration
Sensor Initial Calibration
Sensor Initial Calibration
Sensor Initial Calibration
⬢Close the printer’s door.
When closing the door, the sensor should make an audible click, indicating it has been activated.
⬢If the sensor does not click, start tightening the calibration screw slowly, until the sensor clicks.
⬢Test the sensor by opening and closing the door. It should click each time the door closes.

Paso 25 Side Cover Installation

Side Cover Installation
Side Cover Installation
Side Cover Installation
⬢Add the side sheet metal panel to the printer and align it with the opening.
⬢Secure the panel in place with 11 Nylon rivets in the marked spots.
⬢Add the plastic cover onto the top part and align it with the opening.
⬢Fix it in place using 5 Nylon rivets.

Paso 26 Sensor Test

Sensor Test
Sensor Test
Sensor Test
Sensor Test
⬢Connect the printer to power.
⬢Enciende la impresora mediante el interruptor situado en la parte posterior.
⬢On the printer’s display, navigate to the menu Info > Sensor Info > Door Sensor
⬢Repeatedly open and close the printer’s door and check if the reading on the display changes accordingly between the open and closed states.

Paso 27 Finish

Finish
Finish
Finish
⬢Congratulations. Your door sensor has been successfully replaced.
⬢If further adjustment is needed, you can access the door sensor calibration screw from inside the printer.
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