Saturn 4 - Motherboard Replacement
Tools and materials needed
- 2.5mm Allen wrench
- 2.0mm Allen wrench
- New motherboard
Reference video
No video yet
Operation steps
- Power off the printer and disconnect the power cord.
- Use a 2.0mm Allen wrench to loosen the seven screws securing the back cover of the printer, and remove the back cover.
- Remove the following connections from the motherboard: ①cooling fan, ②pwm control cable for constant current board, ③constant current board, ④thermistor, ⑤mechanical sensor, ⑥limit switch, ⑦lead screw motor.
(Note: Make proper markings beforehand for easy installation later.)
- Peel off the adhesive tape securing the touch screen connector, flip open the locking cover, and remove the touch screen ribbon cable. Repeat the same steps to remove the LCD ribbon cable.
- Use a 2.5mm Allen wrench to loosen the four screws securing the motherboard, and remove the old motherboard.
- Peel off the light-blocking pads from the old motherboard (you can keep it and reattach it later).
- Take out the new motherboard. Apply a new layer of double-sided tape onto the previously removed light-blocking pads. Carefully affix them back onto the installation positions on the new motherboard.
- Carefully straighten the cables connected to the motherboard. Align the motherboard with the screw holes and side button openings, and position it for installation.
- Use a 2.5mm Allen wrench to tighten the four screws that secure the motherboard.
- Reconnect the following connections to the motherboard: ①cooling fan, ②pwm control cable for constant current board, ③constant current board, ④thermistor, ⑤mechanical sensor, ⑥limit switch, ⑦lead screw motor.
- Reconnect the LCD ribbon cable and touch screen ribbon cable to the motherboard, firmly close the locking covers, and secure them with adhesive tapes.
- Align the printer’s back cover with the screw holes and place it back in its position. Use a 2.0mm Allen wrench to tighten the seven screws that secure the back cover.
- Power on the printer, wait for the device self-test to finish, and the printer will be ready for normal use.