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Marlin 2.1.2.2 Ender 3 Pro CR touch does not work properly

You are using an economical printer with design flaws. One of the problems with this portal printer is the poor roller design in combination with the single driven Z threaded rod. If you look closely ...
0scar's user avatar
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2 votes

Using dual Y stepper drivers on Marlin / RAMPS 1.4

I've reverted to version 2.1.2.2 to be compatible to the version used in the question. The analysis is based on this version. Diving into the code When looking into the (2.1.2.2) sources you'll see ...
0scar's user avatar
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Does the E-Value always define the filament length extrusion in millimeters and/or does it directly give a stepper rotation?

Yes, you read that correctly, you indeed push the filament 10 mm with G1 E10 (if you started at a value of E0 as in an absolute ...
0scar's user avatar
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4 votes
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Inconsistency of manual tramming and auto tramming/auto bed levelling

Finally, after a year I have found a solution! Posting it here in case someone else has the same problem. Following by a suggestion from Leveling does not work reliably on some Ender3S1 F4 printers (...
Mikhail Grishagin's user avatar

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