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How to replace a UV LED fan (SL1S)

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How to replace a UV LED fan (SL1S)

How to replace a UV LED fan (SL1S)
Relevant for:
SL1S
Last updated 3 years ago
How to replace a UV LED fan (SL1S)
 Difficulty
Very easy
 Steps
11
 Available languages
CSPLDEESITFR

Step 1 Introduction

Introduction
Introduction
Introduction
⬢This guide will take you through the replacement of the UV LED fan on the Original Prusa SL1S SPEED.
⬢All necessary parts are available in our shop shop.prusa3d.com
Note that you have to be logged in to have access to the spare parts section.
WARNING: This device utilizes UV light, which can harm your eyesight or skin. Do not turn the device ON until it is fully reassembled with all the covers installed!!!

Step 2 Tools necessary for this chapter

Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
⬢For this guide, please prepare:
⬢2.0mm Allen key
⬢Cardboard or similar soft pad (e.g. a piece of cloth)
Owners of the SL1 kit version can use the cardboard pad that came in the kit.
⬢Small bowl or box for storing fasteners. Some fasteners are very small and can be lost.

Step 3 Preparing the printer

Preparing the printer
Preparing the printer
Preparing the printer
Preparing the printer
For a better handling, it is recommended to prepare a clean workbench with a space of at least 1 m x 1 m (40 in x 40 in).
We're recommending a bright light above your workbench. Some parts inside the printer are dark and inadequate light could make a very difficult procedure.
Before you start, do the following:
⬢Move the cantilever with the print platform up (Menu -> Control -> Home platform). You will need more space in the following steps.
⬢Remove the resin tank. If you have a resin inside, pour it back into the bottle and clean the tank.
⬢Remove the print platform
⬢Turn the printer off and unplug it.
All the removed screws will be reused. Do not throw away any screw! In the instructions, it is graphically showing which type of screw to prepare.

Step 4 Securing the printer

Securing the printer
Securing the printer
⬢Place the cardboard or other soft pad on your workbench.
⬢VERY CAREFULLY lay the printer on the soft pad by its back.
⬢Make sure there is a gap between the PSU power button and the surface beneath it. Avoid laying the printer directly on the button.

Step 5 Removing the UV LED fan

Removing the UV LED fan
Removing the UV LED fan
Removing the UV LED fan
Removing the UV LED fan
⬢Release all eight screws on the bottom of the printer. Store these screws
Keep the screws safely in a bowl or box. You will need them later on.
⬢Carefully remove the UV LED fan from the printer. Put it next to the printer. No need to disconnect the fan cable.
⬢Disconnect the UV LED fan cable from the extension cable.

Step 8 Assembling the UV LED fan

Assembling the UV LED fan
Assembling the UV LED fan
Assembling the UV LED fan
Assembling the UV LED fan
⬢There are four columns on the ventilator holder. Align the four holes on the fan casing with the columns.
⬢Push the UV LED fan on the columns and slide the fan all the way down.
⬢Connect the UV LED fan cable with the extension cable.
⬢Guide the fan cable behind the nearest column, like in the picture.

Step 9 Mounting the UV LED fan

Mounting the UV LED fan
Mounting the UV LED fan
Mounting the UV LED fan
Mounting the UV LED fan
⬢Gather as much UV LED cable as possible on the left side of the printer. Push the cable as far as the edge of the opening.
⬢Close the UV LED fan. Avoid pinch the UV LED fan cable!
⬢Make sure you do not pinch the cable by making sure that the cover is flush with the surface of the printer.
⬢Align the holes after closing the UV LED fan.
⬢Secure the UV LED fan by tightening eight M3x5b countersunk screws, that you removed earlier.

Step 10 Testing the proper functionality

Testing the proper functionality
Testing the proper functionality
Testing the proper functionality
Testing the proper functionality
⬢Now you can carefully put the printer back on its feet.
⬢Plug the printer and turn it ON.
⬢On the touch screen navigate to Home -> Settings -> Calibration -> Selftest.
⬢Run the Selftest and follow the instructions on the screen.
⬢The Selftest takes only a few minutes and will need user interaction. If no error message is displayed during the Selftest, everything is OK.

Step 11 That's all

That's all
That's all
⬢Congratulation! The UV LED fan is successfully replaced on your SL1S SPEED printer. So, happy printing!
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