1. Hex Key 2.5mm
2. Hex Key 3.mm
3. Filip Screw Drive
|Cetus MK2 to MK3 Part List BC0881|
|2||25119||Cable tide||64mm,adjustable strap||1|
|4||04151||flat head self-drilling philip screw||ST2.5*8||6|
|5||04158||sunk head philip screw||M3×5||10|
|6||041107||sunk head philip screw||M2.5*12||8|
|7||04157||sunk head philip screw||M3*8||8|
|9||25547||X limit switch with cable||cable:400mm，2P blue connector||1|
|10||25548||Y limit switch with cable||cable:300mm,2P red connector||1|
|11||25549||Z limit switch with cable||cable:250mm,2P yellow connector||1|
|12||25550||YZ limit swithc relay cable||cable:330mm||1|
|13||25554||mainboard ground wire||5pin×80mm||1|
|14||BC0872||Extension PCB kit||1|
Other Required Components ：
After upgrade, if user install the heated build platform, original power supply cannot be used to supply power to the machine. User have to use the 220W Power Supply (sku:XS028).
Step 1. Print Plastic Parts Required for Upgrade
Before dissasembling everything, printer out the parts required.
Download the following file for the printable parts:
Step 2. Dissamble the Machine.
2.1. Remove the platform by removing the 3 scerws.
2.2 Remove the 4 screws to the bottom of machine.
2.3. Remove the power cable and the initialization button cable.
2.4. Remove CPU. Before remove the CPU, discharging yourself is recommended, also be careful not to bend the pin of the CPU board.
2.5. Remove the SD card on mainboard.
2.6. Remove the 4 screws on mainboard, unplug the extruder cable, motor cables and remove the mainboard.
Step 3. Install MK3 Mainboard.
3.1 Remove brass nuts by hand
3.2 Install the Mainboard Adaptor and MK3 Mainboard.
3.3. Install MK3 Mainboard, CPU and SD card.
3.4. Connect Ground Cable (reduce risk of static charge damage to electronics)
Step 4. Install Y-axis Limit Switch and Trigger.
4.1. Remove the Screws
Expose the original Y-trigger
4.2. Lossen the screw on the back of the belt, remove the printed part. Do not remove the screw from the belt, keep it on the belt!
4.3. Install the New Y Limit Switch Trigger
Step 5. Install the Y-axis Limit Switch
5.1. Install the limit switch on the holder.
5.2. Remove the original printed part and the screw on the motor.
5.3. Install limit switch holder onto the Y-axis motor.
Step 6. Install the X-axis Limit Switch
X-axis Limit Switch Holder
6.1 Open the slot cover on the back of the printer.
6.2 Press the holder into the slot, install the limit switch.
6.3 Position the motor cable and limit switch cable into the slot and press fit the slot cover.
Step 7. Install Extension PCB
May also refer to follwoing articles:
7.1 Uninstall the Z-cap
7.2 Slide the extension board into extrusion slot.
Step 8. Install MK3 Z-axis Cap and Limit Switch.
8.2 Install the Z-axis Limit Switch.
Step 9. Connecting the Cables
9.1 Connec Z-limit switch and Y-limit switch to the extension board. Follow the color.
9.2 Connect the limit switches from extension PCB to mainboard, using the included relay cable.
9.3 Connect the power cable from extension PCB to mainboard
9.4 Loosen the connector (labelled as " Platform Heater) for ribbon cable. Insert the cable into the connector, metal pins facing to mainboard.
9.5 Fold the cable into shape like the red line indicated below.
9.6 Insert the ribbon cable through the space between motor and Z-axis bracket.
9.7 Fold the cable upward and insert into the connector, metal pins facing toward extension board.
This ribbon cable is important for temprature control of heated bed upgrade and autoleveling.
Step 10. Install Wifi antenna
10.1 Insert the antenna holder into the slot of the back of machine, turn it 90 degrees to lock it in position.
10.2 Insert the antenna into the holder and connect the other end to CPU.
10.3 Make sure the cables are well sorted, no tangling. Install the PCB cover.
10.4. Lock the PCB cover.
10.5. Lock the extruder cable along the Z-axis
Step11. ROM Update:
CPU rom must be updated before the machine is usable, please refer to following info to update your rom.
|MK3 Standard Version ROM:||Cetus S7NTC_R_180524 MK3-STD.ROM|
|MK3 Extended Version ROM:|