¶ Overview
¶ Location
The HUB board is located at the rear of the machine beneath the top cover, and replacing it requires removing the top cover, rear cover, and both side panels.
¶ Terminology
Different from our official term, some people may use the following terms to describe this component:
- HUB PCB
- Toolhead connection board
- HUB PCB plate
¶ Difficulty and Time Estimate
- Difficulty：★★★☆☆ (moderate)
- Estimated Time：20 minutes
¶ Where to Buy
US: https://us.snapmaker.com/products/hub-adapter-board-for-snapmaker-u1
EU: https://eu.snapmaker.com/products/hub-adapter-board-for-snapmaker-u1
Global: https://shop.snapmaker.com/products/hub-adapter-board-for-snapmaker-u1
¶ Tools and Parts Required
- H2.0 hex key
- New HUB board
¶ Part 1. Unload Filament and Remove Filament Feeder
¶ Step 1. Unload filament
- Tap the highlighted area on the screen.
- Tap "Unload Mode".
- Select all toolheads, then tap "Unload".
- Wait for the machine to complete the unloading.
- Turn the spool to retract the remaining filament, then remove the 4 spools (including the spool holders).
¶ Step 2. Power off the machine
- Before proceeding, please turn off the machine and unplug the power cable!
¶ Step 3. Disconnect USB cables
- Use a H2.0 hex key to remove the 8 screws from the 4 USB cables, then unplug the cables.
¶ Step 4. Remove filament tubes
- Press the quick-release fitting at the upper rear of the machine to remove the 6mm filament tube.
- Press the quick-release fitting at the lower rear of the machine to remove the filament tube connected to the filament feeder.
¶ Step 5. Remove the filament feeders on both sides
The images below illustrate the process using the right side as an example.
- Press the clip at the marked location.
- While pressing the clip, slide the filament feeder in the indicated direction to remove it.
- Next, press point 1 as shown in the image to disconnect the filament feeder cable.
- Completed.
¶ Part 2. Remove Machine’s Outer Casing
¶ Step 6. Remove the top cover
- Take out the silicone plugs from all four corners of the top cover.
- Use a H2.0 hex key to remove the 4 screws beneath the plugs.
¶ Step 7. Remove the left panel
- Shift the top cover to one side.
- Use a H2.0 hex key to remove 4 screws securing the left panel.
- Use a H2.0 hex key to remove screws 5 and 6.
- Use a H2.0 hex key to remove screws 7 and 8.
- Disconnect the RFID cable.
- Remove the left panel.
¶ Step 8. Remove the right panel
- Slightly shift the top black cover as shown in the image, then remove the four marked screws.
- Remove screws 5 and 6 located inside the spool holder holes.
- Then remove screws 7 and 8 on the right inner panel.
- Pass the filament feeder cable through position 1 and disconnect the two RFID cables at position 2, then remove the right panel.
¶ Step 9. Remove the rear cover panel
- Use the H2.0 hex key to unscrew the eleven fixing screws on the rear cover panel and remove the rear cover panel.
¶ Part 3. Replace HUB Board
¶ Step 10. Remove the old HUB board
- Disconnect all seven cables connected to the HUB board.
- Use the H2.0 hex key to unscrew the two fixing screws and remove the HUB board.
¶ Step 11. Replace with the new HUB board
- Reconnect the cables to the new HUB board and secure it with the two fixing screws using the H2.0 hex key.
¶ Step 12. Reinstall the machine panels and accessories
To restore the machine, follow the steps in reverse order of the disassembly process.
- Reinstall the rear cover panel, left and right panels, and top cover panel in sequence.
- Reinstall the filament guide tubes, filament feeders, and filament spools, reconnect the USB cables.
¶ Reach out to Snapmaker Support
After following the troubleshooting steps, if you find it difficult to resolve your issue, kindly submit a support ticket through https://snapmaker.formcrafts.com/u1-troubleshooting-request and share your troubleshooting results with some pictures/videos.
Our dedicated support team will be more than willing to assist you in resolving the issue.