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I placed three jumpers (small black box with a single sheet metal to connect two pinouts) underneath each A4988 drive and that solved my steps/mm concern.
To anyone that has a similar issue, check to make sure you have installed your jumpers into your circuit board, or at least check them for one may have gone bad.
Thanks for your help.
by
McLeod25
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Printing
After using M503, the steps/mm are indeed:
echo:; Steps per unit:
echo: M92 X6.30 Y6.30 Z25.20 E10.00
When I said circuit board, I meant the whole thing. So yes, Mega and ramps were both replaced.
I believe you just solved my problem. I did not install those jumpers underneath the A4988 drives. I did not fully disassemble my burnt board and thus did not see them. It's been over 4 years sin
by
McLeod25
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Printing
Hello,
I have recently done a board replacement for my custom built 3D printer (similar to Prusa i3 Mk3). My previous board melted at the heating bed wire connections (thankfully only that section was damaged). After swapping to a new "identical" board and chip set I added a MOSFET to avoid another small fire. Please note that my stepper motors, wires, screws, etc have been untouched (a strai
by
McLeod25
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Printing