Questions tagged [marlin]

Questions about the 3D printer firmware Marlin.

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5
votes
2answers
3k views

Autobed leveling doesn't compensate

I finally manage to setup the ABL on my Prusa. I run G28 to home all axes (for z I use the same probe used for ABL). Then I run G29 E ( I use E because otherwise for some reason I have not understood ...
4
votes
1answer
687 views

RCBugFix what is it?

I've posted an issue on GitHub and I have been advised to load RCBugFix. I have never used it and I do not know what is about. What is it? How does it work?
4
votes
1answer
3k views

Marlin - slowing down print speed

I'm currently using Marlin firmware (1.1.0-RC7 - 31 July 2016) and would like to experiment with print speed. In the file Marlin_main.cpp I see in the ...
10
votes
3answers
41k views

Marlin Adjusting feedrate

I'm using the Marlin firmware (1.1.0-RC7 - 31 July 2016) for a 3d printer. Currently the printing is not perfect due to slight inaccuracies in movements along the x and y axis. I'm trying to change ...
9
votes
3answers
11k views

Endstops will not trigger using Marlin Firmware

I have an old Solidoodle 2 that I bought broken from a garage sale that I am converting to use RAMPS 1.4 with Marlin Firmware. All the motors work correctly, I am just having issues getting the ...
6
votes
1answer
589 views

Editing arc in Marlin for 3d printing

I'm working on designing a 3d printer with a team. The team is using marlin open source software and I started half way into project trying to make sense of things. Apparently there is an issue with ...
3
votes
5answers
3k views

When leveling hotend always slams into bed?

If the hot-end is at ~0 on the Z axis and I go to level it, as it approaches X = 0 it begins scraping along the bed, then when moving back to probe the center of the bed (after homing X to 0) it will ...
4
votes
1answer
3k views

Marlin (on RUMBA board) switch extruder fan automatically

I have wired in a new extruder with its own cooling fan and I tried to change the Marlin firmware to switch it on automatically above a specific temperature (50 °C). I did noting in the ...
3
votes
0answers
349 views

How to make E0 and E1 to act as slaves of X and Y in Marlin firmware? [closed]

I am currently building a CNC machine and have a plan to use my spare MKS Base 1.2 board. I have successfully activated dual X but when ever I try to activate the dual Y option, it throws a compile ...
7
votes
1answer
2k views

Z Axis getting stuck with Marlin 1.1.0-RC7

Background: I just successfully installed a RepRapDiscount Full Graphic Display on my Prusa i3; and in doing so, I've upgraded all of the firmware to the latest version of Marlin, 1.1.0-RC7. With my ...
6
votes
3answers
4k views

Clean or wipe move for delta 3D printers

I own a delta 3D printer. The problem is that, at the beginning of a print the extruder outputs dirty filament. I want a clean filament flow at the start of my prints! How can I make the hotend exit ...
7
votes
1answer
695 views

Cloning the Marlin git repo while keeping my configuration.h settings?

I cloned the Marlin repository and changed all my settings in configuration.h to match my old settings. Now when the RC branch gets updated, is there a way to ...
7
votes
1answer
12k views

Marlin temperature sensor problem

I have a RAMPS 1.4 and an Arduino Mega 2560. The problem is with 100k NTC thermistor. I've tested it with a multimeter, it results in ~122kΩ. I am using Marlin 1.0.2 (latest stable). I am using ...
4
votes
1answer
289 views

Connecting Sain Smart Mechanical End Stops to Ramps 1.4?

I have Sainsmart Mechanical End Stops, and I'm building a Prusa i3 Rework. I've recently gotten the x-axis to move, but it needs to stop when it gets to the end and it does not do that; I end up ...
3
votes
1answer
445 views

Advance extrusion, extruder code help?

I not sure what this code does..... I recently bought a titan extruded that needs to be calibrated with my printer (417 microsteps http://wiki.e3d-online.com/wiki/Titan_Assembly#Firmware_Calibration). ...
4
votes
3answers
3k views

Why is my print getting messed up mid-print?

I am using Slic3r to generate the GCode for my Marlin-based printer. For some reason with increasing height my print starts to get messed up. On another part it starts to act like this when there are ...
2
votes
1answer
787 views

'Sine wave' deviation in X-Axis on moving bed printer.

I've built a a PrintrBot inspired printer with a moving printbed for the X-Axis movement. It's controlled by a RAMPS board running Marlin firmware. And there is a problem with the X-Axis positioning. ...
4
votes
1answer
2k views

Prusa i3 Dual Extruder Setup Issues

I have a Folgertech Prusa i3, on a Ramps 1.4 with Marlin and I use Repetier-Host to control it. I am attempting to convert it to a dual extruder Bowden setup, and I can't seem to get the second ...
6
votes
2answers
3k views

Printer randomly moves to home during printing, then resumes as normal

During printing, my printer occasionally makes some mystery moves: it will very slowly move either the X or Y axis all the way to the left/front, before very slowly moving back to its original ...
3
votes
1answer
645 views

Marlin move axis issue

I have problems with setting up Marlin for my new printer. Each time I rotate the dial, axis move to the same amount. It doesn't matter how much I moved it, to 1mm or to 20 mm (according to screen), ...
9
votes
2answers
1k views

How many times can you re-flash the Marlin firmware to a RAMPS 1.4 board before it degrades the ROM?

First of all I'm working with a Folger Tech Prusa i3 kit, if that makes a difference. Also I believe the Arduino is a Mega 2560. I know somewhere in the back of my head that electrically programmable ...
4
votes
1answer
2k views

default axis steps per unit Makerbot replicator 2

I can not find anywhere default steps per unit for Makerbot replicaor 2. I'm using Ramp V1.4 instead original board and need to know default steps :/
6
votes
1answer
1k views

Marlin menu navigation slow while printing

My Kossel Mini printer (delta) has RAMPS1.4/Arduino Mega electronics configured to use a standard 20x4 LCD display with Marlin during printing. Often, navigating the menus during print can be ...
8
votes
1answer
7k views

How do I set the G-code buffer size on Marlin?

I am reconfiguring a Printrbot Simple Metal that has been retrofitted with a RAMPS+Arduino Mega running Marlin, with a fairly slow feedrate due to mechanical and quality limitations. I am finding ...

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