If you have the other iteration of the LDS, this is not necessary. If you have the other iteration, please check: Roborock Q5 Pro: Laser Distance Sensor Replacement And skip to step 12.

Remove the wheel that the rubber band slots into from the motor.

I use a hemostat clamp to do so. Do note that it will cause some minor cosmetic damage.

If you use a hemostat as well, do not grab it by the groove. You will deform it and the rubber band may not fit within it properly anymore.