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Upgrade X, Y stepper motors only
Just wondering if anyone has just upgraded the X and Y motors to the 0.9deg ones the mk4 uses after moving up to the 3.5s upgrade?
Respondido : 14/02/2025 3:43 pm
RE: Upgrade X, Y stepper motors only
Would like to know this as well.
Respondido : 23/02/2025 5:30 pm
RE: Upgrade X, Y stepper motors only
Subscribed.
I also want to know this answer.
Respondido : 08/03/2025 3:31 pm
RE: Upgrade X, Y stepper motors only
Hi,
I suspect they will not work and the printer will do mess, since the Firmware of MK3.5s expects to drive 1.8° motors and not 0.9°.
You have to install the MK3.9s/4s firmware that drives 0.9° motors.
However, the 3,9s/4s it will not work either since this firmware expects to manage a Netxtruder! 😣
Regards
Respondido : 12/04/2025 9:17 am
RE: Upgrade X, Y stepper motors only
I have a MK3.5s with 0.9° motors. To get homing working properly, you need to modify the firmware. The modification is relatively simple, 0.9° motors are proven on the MK4, so I'm surprised Prusa doesn't offer this option.
Respondido : 18/08/2025 9:59 pm