Tools Needed:

• H2.0 hex wrench
• H2.5 hex wrench
• H1.5 hex wrench
• Small flat-head screwdriver
• Small Phillips screwdriver

Step-by-Step Instructions:

1. Remove the Bottom Cover:
   1. Lay the M5 machine on its back.
   2. Use the H2.0 hex wrench to remove the 7 bottom cover bolts (green marks).
   3. Use the H2.5 hex wrench to loosen the 4 foot pad bolts (red marks).

Disconnect Wires:

• Open the cover plate of the bottom cover.
• Use the H2.0 hex wrench to release the TYPE-C wire fixing bolts.
• Unplug the TYPE-C wire and the Z-axis motor wire.

Remove Power and Other Wires:

• Open the bottom cover.
• Use a small flat-head screwdriver to remove the 24V power cord and hotbed wire from the marlin board (green marks). Pay attention to the order of the wires.
• Unplug the Y-axis motor wire, Z-axis motor wire, thermistor wire, and fan wire (blue marks).

 

Remove the Marlin Board:

• Use the H2.0 hex wrench to remove the marlin board fixing bolts.
• Use the H1.5 hex wrench to remove the 4 TYPE-C fixing bolts.
• Remove the marlin board.

Transfer Components to New Marlin Board:

• Use the H2.0 hex wrench to remove the heat dissipation block fixing bolts from the marlin board (green marks).
• Use a small Phillips screwdriver to remove the TYPE-C wire seat on the marlin board (red marks).
• Install the removed heat dissipation block and TYPE-C wire seat on the new marlin board.

 

Install the New Marlin Board:

• Use the H2.0 hex wrench to secure the new marlin board back to the machine base.
• Use the H1.5 hex wrench to secure the TYPE-C base.

1. Reconnect Wires:
   1. Plug in the Y-axis motor wire, Z-axis motor wire, thermistor wire, and fan wire.
   2. Use a small screwdriver to lock the 24V power cord and hot bed wire (note the positive and negative positions).
2. Reattach the Bottom Cover:
   1. Use the H2.0 hex wrench to fix the bottom cover bolts.
   2. Use the H2.5 hex wrench to fix the foot pad bolts.
   3. Plug in the Z-axis motor wire and TYPE-C wire (ensure the Z-axis motor wire and TYPE-C wire correspond to "R/L").
3. Secure the TYPE-C Wire:
   1. Lock the TYPE-C wire retaining bolts with an H2.0 hex wrench.
4. Install the Bottom Cover Panel:

• Install the bottom cover panel back into place.

 

If you have any further questions, please contact us for assistance.