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5. Upgrading the connectivity

5. Upgrading the connectivity

5. Upgrading the connectivity
Relevant for:
Last updated 17 days ago
5. Upgrading the connectivity
 Difficulty
Easy
 Steps
19
 Available languages
CSPLDEESITFR
Opening the electronics
Opening the electronics
Opening the electronics
Release four M3x6 screws and remove the xBuddybox-cover.
Release two M3x10 screws from the El-box-cover and remove the cover from the printer.
You will no longer need the El-box-cover (plastic cover).
Removing the Wi-Fi&heatbed covers
Removing the Wi-Fi&heatbed covers
Removing the Wi-Fi&heatbed covers
Removing the Wi-Fi&heatbed covers
Release two M3x6 screws from the Heatbed-cable-holder and remove it from the printer.
Release the M3x6 screw from the Wifi-cover and remove it from the printer.
You will no longer need these printed parts.
Gently remove the ESP-01S Wi-Fi module from the printer by pulling it out of the connector.
Even if you no longer need this part for your printer upgrade, keep it for future projects. For example, if you own an Original Prusa MINI/+, you can install this Wi-Fi module to take advantage of the benefits of connectivity on that printer as well.
More information at help.prusa3d.com.
Wi-Fi: parts preparation
Wi-Fi: parts preparation
Wi-Fi: parts preparation
For the following steps, please prepare:
MK4S-Wifi-cover (1x)
ESP-WiFi (1x)
M3x12 screw (3x)
Assembling the Wi-Fi
Assembling the Wi-Fi
Assembling the Wi-Fi
Insert the ESP-WiFi module into the WiFi-cover, positioning it just below the bridge on the left side.
On the other side, ensure the connector fits correctly into the hole in the cover.
Installing the WiFi cover assembly
Installing the WiFi cover assembly
Installing the WiFi cover assembly
Be very careful when handling and connecting the ESP module to avoid bending and damaging the pins.
Take the WiFi cover assembly and connect the ESP module pins to the connector in the xBuddy.
Position the heatbed cable bundle into the cutout in the WiFi cover.
Close the WiFi cover carefully, ensuring the pins of the ESP module are properly engaged in the connector on the xBuddy.
Double-check that the heatbed cable bundle is in place.
Secure the cover with three M3x12 screws.
NFC antenna: parts preparation I.
NFC antenna: parts preparation I.
NFC antenna: parts preparation I.
NFC antenna: parts preparation I.
For the following steps, please prepare:
xBuddybox-cover (1x) you removed earlier
El-box-cover (1x) new part
Make sure you really have the new part ready. Compare according to the second picture.
M3x6 screw (4x) you removed earlier
M3x10 screw (2x) you removed earlier
The list continues in the next step ...
Connecting the NFC antenna
Connecting the NFC antenna
Connecting the NFC antenna
Locate the small round connector labeled NFC on the bottom left side of the xBuddy board.
Connect the NFC coil cable to the board by fitting the connectors together and pressing lightly until you feel a click, ensuring a correct connection.
Ensure the NFC antenna cable connector is securely plugged in and does not come loose from the board.
BE EXTRA CAREFUL when connecting the NFC antenna cable connector. Excessive pressure or misalignment can cause irreversible damage.
Leave the other end of the cable free for now.
Preparing the NFCcoil
Preparing the NFCcoil
Peel off the yellow protective film from the adhesive tape.
Attention: The NFC coil is adhesive.
Stick the adhesive film on the cleaned side of the NFCcoil approximately as shown. The side without the company logo.
Do not put the adhesive tape over any holes in the board!
Assembling the NFC antenna
Assembling the NFC antenna
Assembling the NFC antenna
Assembling the NFC antenna
Peel of the adhesive tape paper layer from the NFCcoil.
Stick the NFCcoil on the inner side of the El-box-cover approximately like in the picture. See the correct orientation of both parts!
Leave at least 2mm space between the NFCcoil end the edge of the El-box-cover.
Locate the small round connector on the NFCcoil.
Connect the NFC coil cable to the board by fitting the connectors together and pressing lightly until you feel a click, ensuring a correct connection.
Ensure the NFC antenna cable connector is securely plugged in and does not come loose from the board.
BE EXTRA CAREFUL when connecting the NFC coil cable connector. Excessive pressure or misalignment can cause irreversible damage.
Verify all connections once more!
Verify all connections once more!
Verify all connections once more!
Verify all connections once more!
Check your electronics connection with the first picture.
Before covering the electronics, check and compare your wiring.
Compare your cable management with the third picture.
If you're upgrading from MK3.9, you may notice slightly different cable management due to motor cable adapters. These differences do not affect the instructions in this manual.
Make sure that all connectors are fully inserted and PSU cables properly tightened. Otherwise, there is a risk of damage to the printer!
Covering the xBuddy box: bottom cover
Covering the xBuddy box: bottom cover
Covering the xBuddy box: bottom cover
Covering the xBuddy box: bottom cover
Push two M3x10 screws through the El-box-cover.
Attach the cover to the xBuddy Box. There are two threaded holes in the xBuddy box. Make sure there is no cable in the way for the screws and the cover.
Secure the el-box-cover by tightening both M3x10 screws to the xBuddy box.
Be careful not to pinch the NFC cable when closing the cover.
Covering the xBuddy box
Covering the xBuddy box
Covering the xBuddy box
Covering the xBuddy box
Arrange the NFC coil cable to the rightmost side as shown.
Avoid routing the cable over the Ethernet connector on the left, or it may get pinched and damaged when covering the electronics box.
Carefully cover the xBuddy box by first sliding the bent part of the cover into the box.
Avoid pinching the cables. Double-check the NFC coil cable position.
Align the xBuddy box cover with the xBuddy box and secure it with four M3x6 screws.
Sticking the serial number label
Sticking the serial number label
Sticking the serial number label
This step is required in order to provide warranty! Don't throw the label away!
Remove the MK4 or MK3.9 label from the rear plate on the printer frame.
Peel off the protective layer from the rear side of the label.
Stick the label on the left side of the rear plate. Make sure, the surface is clean. Use the supplied cleaning pad.
What's left...
What's left...
You will no longer need these parts:
 
Old El-box-cover (1x)
Wifi-cover (1x)
ESP-01S Wi-Fi module (1x)
Even if you no longer need this part for your printer upgrade, keep it for future projects. For example, if you own an Original Prusa MINI/+, you can install this Wi-Fi module to take advantage of the benefits of connectivity on that printer as well.
More information at help.prusa3d.com.
Heatbed-cable-holder (1x)
That's it!
That's it!
Congratulations! You have just successfully upgraded your connectivity and thus completed your printer upgrade!
But before you start printing, you need to do some selftests and activate some new features.
Let's go to the final chapter 6. Preflight check.
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