⬢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.
⬢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.
⬢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.
⬢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!
⬢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.
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.
⬢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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