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How to replace the USB connector (SL1/SL1S)

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How to replace the USB connector (SL1/SL1S)

How to replace the USB connector (SL1/SL1S)
Relevant for:
SL1SL1S
Last updated a year ago
How to replace the USB connector (SL1/SL1S)
 Difficulty
Moderate
 Steps
33
 Available languages
ENCSPLDEESITFR

Step 1 はじめに

はじめに
はじめに
⬢This guide will take you through the replacement of the USB connector on the Original Prusa SL1 and SL1S SPEED.
Some parts might slightly differ. However, it does not affect the procedure.
⬢必要なパーツは全て弊社eshopで販売しています。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!!!
Soldering is needed for units shipped from July 2019 to July 2020. If you can't solder, contact our support team. They will send you a new bottom cover and a new power button & USB board.

Step 2 Tools necessary for this guide

Tools necessary for this guide
Tools necessary for this guide
⬢2.0mm Allen key
⬢2.5mm の六角レンチ
Some steps require additional tools. You will always be instructed before the appropriate steps.

Step 3 プリンタの準備

プリンタの準備
プリンタの準備
プリンタの準備
プリンタの準備
始める前に確認すること:
⬢Printer is plugged off
⬢Remove the resin tank
⬢Remove the print platform
⬢Use ESD gloves (recommended)
ESD gloves are anti-static (prevent damage to the electronics).

Step 4 Removing the cover

Removing the cover
Removing the cover
Removing the cover
Removing the cover
Proceed carefully with these screws, preferably use an Allen key with straight sharp edges, there is a risk of stripping the screw's head.
⬢Turn the left side of the printer towards you.
⬢Locate, release and remove four screws.
⬢Turn the printer to the other side (180 °) and again remove four screws.
⬢Slide the cover just a few cm/inches out.
⬢There are two designs of USB and power button:
⬢NEW DESIGN: The USB and the power button have the same connector. Disconnect the cable and remove the cover completely.
⬢OLD DESIGN: The USB and the power button are separated. Disconnect the power button cable from the extension cable and remove the cover completely.

Step 5 Multiple versions of the USB board

Multiple versions of the USB board
Multiple versions of the USB board
Multiple versions of the USB board
Multiple versions of the USB board
The USB board has been made in three versions. Look closer and check what version do you have. Follow the instructions for the appropriate version:
⬢Version 3.0 - Power button (A) board and USB connector (B) board are connected and mounted on the bottom cover. Skip to Tools necessary for the Version 3.0
⬢Version 2.0 - USB connector and power button are on the same PCB board mounted on the bottom cover. Skip to Tools necessary for the Version 2.0
⬢Version 1.0 - USB connector and power button are separate. The USB connector is mounted inside the printer. The power button is mounted on the bottom cover. Skip to Tools necessary for the Version 1.0

Step 8 Removing the touchscreen (Version 1.0)

Removing the touchscreen (Version 1.0)
Removing the touchscreen (Version 1.0)
Removing the touchscreen (Version 1.0)
Removing the touchscreen (Version 1.0)
⬢Open the lid all the way.
⬢Look from below and locate the screw on the right side of the touchscreen frame. Release the screw.
⬢Slightly loosen the screw on the left side of the frame. Do not remove it.

Step 9 Removing the USB connector (Version 1.0)

Removing the USB connector (Version 1.0)
Removing the USB connector (Version 1.0)
Removing the USB connector (Version 1.0)
⬢Carefully rotate the touchscreen all the way to the left.
If you can't rotate the screen easily, loosen the left screw a little more.
⬢Cut the zip tie securing the USB, Power, optical, and touchscreen cables.
⬢Release the screw on the right side of the USB connector.
⬢Remove the USB connector from the printer. It will no longer be needed.

Step 12 Assembling the USB connector (Version 1.0)

Assembling the USB connector (Version 1.0)
Assembling the USB connector (Version 1.0)
Assembling the USB connector (Version 1.0)
Assembling the USB connector (Version 1.0)
⬢Insert the USB connector cable through the opening in the USB connector holder.
⬢Make sure the USB symbol on the connector is facing up.
⬢Mount the USB connector to the holder with two M3x5 screws from the backside.

Step 13 Mounting the USB connector (Version 1.0)

Mounting the USB connector (Version 1.0)
Mounting the USB connector (Version 1.0)
Mounting the USB connector (Version 1.0)
Mounting the USB connector (Version 1.0)
⬢Place the USB connector on the bottom plate inside the printer.
⬢Secure it with the M3x5 screw on the right side.
⬢Zip tie together the USB cable, optical sensor, WiFi and speaker cable.
⬢Carefully rotate the touchscreen back to its original position.
⬢Secure the USB holder with the M3x5 screw on the left side.

Step 14 Mounting the touchscreen (Version 1.0)

Mounting the touchscreen (Version 1.0)
Mounting the touchscreen (Version 1.0)
Mounting the touchscreen (Version 1.0)
⬢Insert the M4x10 screw back into the hole on the right side of the touchscreen frame and tighten the screw.
⬢Tighten the screw on the left side of the frame.

Step 17 Tools necessary for the Version 2.0

Tools necessary for the Version 2.0
Tools necessary for the Version 2.0
Tools necessary for the Version 2.0
Tools necessary for the Version 2.0
WARNING: Disassembling this version requires soldering, if you don't have the equipment, contact our support team and they will send you an assembled cover with the new power button & USB board.
⬢2.0mm Allen key
⬢2.5mm の六角レンチ
⬢Cutting pliers
⬢Wrench size 19 mm
⬢Soldering iron
⬢Tin extractor (or steel brush)
A tin extractor or steel brush is needed to remove the molten tin from the pins.
It is highly recommended to wear safety glasses.

Step 18 Disassembling the USB connector board (Version 2.0)

Disassembling the USB connector board (Version 2.0)
Disassembling the USB connector board (Version 2.0)
Disassembling the USB connector board (Version 2.0)
Disassembling the USB connector board (Version 2.0)
Soldering is required in this step. Be extra careful during the procedure. Do not touch the HOT PARTS of the soldering iron!!!
⬢Set the temperature on the soldering iron to 350 °C / 662 °F.
⬢Put the tip of the soldering iron on each connector and wait until the tin melts down.
⬢Use the tin extractor or steel brush to remove the tin from the connectors.
⬢Use the pliers to straighten the connectors.

Step 23 Mounting the new power button (Version 2.0)

Mounting the new power button (Version 2.0)
Mounting the new power button (Version 2.0)
Mounting the new power button (Version 2.0)
Mounting the new power button (Version 2.0)
⬢Insert the power button from the front side of the cover into the hole.
⬢Place the nut on the power button from inside of the cover.
⬢Do not tighten the nut all the way. Leave it four threads from the end.

Step 27 Removing the USB connector (Version 3.0)

Removing the USB connector (Version 3.0)
Removing the USB connector (Version 3.0)
Removing the USB connector (Version 3.0)
Removing the USB connector (Version 3.0)
⬢Slightly tilt the power button, then push it down.
⬢Disconnect the power button from the USB board.
⬢Remove the USB board from the bottom cover.
⬢Remove the foam seal from the USB connector. Keep it close, we'll need it soon.

Step 29 Mounting the new USB board (Version 3.0)

Mounting the new USB board (Version 3.0)
Mounting the new USB board (Version 3.0)
Mounting the new USB board (Version 3.0)
Mounting the new USB board (Version 3.0)
⬢Place the foam seal on the USB connector.
⬢Rotate the power button that the long side of the PCB is facing down.
⬢Place the USB board with the foam seal on the columns and slide it all the way on.

Step 30 Joining boards together

Joining boards together
Joining boards together
Joining boards together
Joining boards together
The following steps are common for Version 2.0 and 3.0.
⬢Slightly and carefully tilt the power button like in the picture and align the pins against the connector on the USB board.
⬢Straighten the power button and connect the power button pins in the USB board connector.
⬢Tighten the nut against the cover by the wrench. Do not overtighten the nut!
⬢Secure the board with two M3x8 screws.

Step 31 Connecting the power button

Connecting the power button
Connecting the power button
⬢Slide the cover half-way to the printer and stop, we need to connect the front USB and power button first.
⬢Look from above in the front cover and connect the USB & Power cable. Make sure the safety pin "clicks".

Step 32 Assembling the cover

Assembling the cover
Assembling the cover
Assembling the cover
⬢Slide the cover on the printer and secure it on one side using two M3x5b countersunk screws. Don't tighten them firmly and move on the other side, repeat the procedure.
⬢As soon as the cover is aligned and partly secured, add the remaining screws and tighten them all.
⬢Turn the printer over (180 °) and use the same procedure.

Step 33 It's done!

It's done!
It's done!
⬢Great job! You've just replaced the USB connector on the SL1/SL1S printer.
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