¶ What it is
The USB-C cable is a communication cable that uses the Type C interface to connect the AP main board and the tool head main board.
¶ When to use
1. Unstable USB-C cable communication;
2. The service team confirms that it is a USB-C communication failure after analyzing the LOG file.
¶ Tools and materials required
- A new USB-C cable
- H1.5/H2.0 hex key
¶ Safety warning and Machine state before starting operation
Please follow these guide steps carefully in order to perform the replacement. Make sure the machine is powered OFF before commencing any disassembly and assembly.
¶ Operational guide
¶ Step 1 - Loosen the PTFE tube
Remove the glass cover plate and release the PTFE tube from the buckle on the cable chain.
¶ Step 2 - Remove the AP main board cover
Remove 1 screw located under the PTFE bracket with an H1.5 hex key, open the AP main board cover from both ends, and then remove the AP main board cover from the beams.
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¶ Step 3 - Disconnect the USB connection (AP board)
Remove the cable from the USB cable fixed block, remove 1 screw with the H2.0 hex key, and disconnect the USB cable from the AP board.
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¶ Step 4 - Removing the rear cover of the toolhead
Undo the 4 screws securing the back cover of the tool head using the Allen key and remove the back cover.
¶ Step 5 - Disconnect the USB connection (TH board)
Disconnect the USB cable from the extruder board, adjust the orientation of the USB cable holder as shown in the picture, and then pull up to remove the USB cable together with the holder from the tool head.
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¶ Step 6 - Remove the USB-C cable
Release the USB cable from the AP main board cover and cable chain, remove the USB-C cable, and take off the cable fixed block from the cable.
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¶ Step 7 - Install the new USB-C cable
Install the USB-C cable into the cable chain and the AP main board cover, and install the USB cable fixed block.
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¶ Step 8 - Connect the USB-C cable (Toolhead)
Connect the USB cable to the connector on the extruder board, press the USB cable into the cable base, and mount the cable bracket into place.
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¶ Step 9. - Installing the rear cover of the tool head
Re-install the back cover of the tool head and secure it with 4 screws (2 on each side). Once done, place the top glass cover back on the machine.
¶ Step 8 - Connect the USB-C cable (AP board)
Connect the USB cable to the AP main board, pay attention to the letter A facing outward, lock the fixed block with 1 screw, and clamp the cables to the block.
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¶ Step 11 - Install the AP main board cover
First align the gap shown in the figure below to install the AP main board cover, then install the AP main board cover in place, and lock a screw on the back of the printer to secure it.
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¶ Step 12 - Buckle the tube
Mount the PTFE tube to the buckle on the cable chain and cover the glass cover plate.
¶ Verifying functionality
1.Power ON the printer, make sure the chamber is clear of any prints or extrusions on the bed.
2. Go to the settings menu on the screen, then select Calibration and press “Start Calibration”.
3. Once the calibration is complete, perform a device self-test as indicated below.
If everything went according to plan, and no errors or warnings occur during the calibration and self-test, the replacement was successfully completed. Otherwise, check the connections and retry again. If any issues persist, please contact the service team for further assistance.