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The Ender 3 has a printable area of 220x220x250 mm according to the specifications. So, there is nothing wrong. Sometimes heated beds are slightly larger than the actual print area. E.g. 235x235 mm or 310x310 mm. For centering the nozzle to the build plate, you should look into "How to center my prints on the build platform? (Re-calibrate homing offset)&...


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Any thermoplastic is a bad choice to carry a heated bed. For an unheated bed, monolithic (cast, not printed) acrylic plate of sufficient thickness can be used. To get the needed stiffness and temperature resistance, steel plate of about 2+mm is the best choice, followed by aluminium of a higher thickness. The latter can be sawed with woodworking equipment, ...


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It is possible that the buildplate is too low, and cannot travel all way down the Y axis, but is hitting into the Y motor enclosure. If you have screwed the Z-stop to printer's vertical frame, shifting the endstop all the way down, there is even bigger chance for this. So one advice is to raise the Z-stop by about a width of wrench key included to the set. ...


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octopus8 recommended doing a series of tests to determine the cause of the problem. I started with moving the bed by hand (remember to have machine off or choose "Disable steppers" from "Prepare" menu) and the movement was relatively smooth with some resistance, the same as when moving the X-axis. If you move very slowly you can feel ...


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I ran into the same problem. After looking into the pin layout for the board I saw the following: #elif EXTRUDERS <= 2 // Hijack the last extruder so that we can get the PWM signal off the Y breakout // Move Y to the E2 plug. This makes dual Y steppers harder This prompted me to move the stepper driver and the motor cable to the E2 connector on the ...


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There is a problem in the Megatronics default config file. I used an other default config file and it worked!


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