Questions tagged [marlin]

Questions about the 3D printer firmware Marlin.

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4
votes
1answer
839 views

Marlin, end stops, and position report - possible bug?

Am seeing the following behavior in Marlin: When moving the printhead, if an end stop is hit, a position report (M114) erroneously reports the print head position as where it was trying to go, as ...
4
votes
1answer
288 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 ...
4
votes
1answer
65 views

Marlin is restarting when pins 5 Vcc are enabled and has a servo motor connected (RAMPS 1.4)

My printer uses an ATMega 2560 with a RAMPS 1.4 shield, A4988 stepper drivers and a 2004 controller LCD interface. The PSU is 360 W (12 V, 30 A). I bought a BLTouch for my printer, but when installing,...
4
votes
1answer
366 views

Marlin firmware question for dual extruder

I've recently added a second hotend and extruder assembly to my 3D printer and I've made all the necessary changes in the firmware. I've defined the temp sensor for hotend 2, all the pins for heat and ...
4
votes
1answer
3k views

CR-10S / Ender5+ LCD Touchscreen Firmware Editing

How would I go about editing the LCD menus for the touchscreen? Oddly the Ender 5+ is supposed to be an upgrade but the Ender 5 (regular) has so much more stuff you can control from the LCD screen. ...
4
votes
1answer
498 views

Cura 4.3.0 does not pause on Renkforce RF100 V2.2

Cura (version 4.3.0) has the ability to insert a post processing script to your print. I tried this for printing a key cover around my door key (similar to this question). I designed the STL file with ...
4
votes
1answer
594 views

Show Build date and time in Marlin 2.0

Is there a command to show the compile date and time of the Marlin 2.0 firmware? Also, is there a way to show this info at boot up?
4
votes
1answer
11k views

Error:Printer halted. kill() called!

When printing cube.gcode using Pronterface I get: Print started at: 23:07:31 After 8 seconds I get: ...
4
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3answers
1k views

Weird stepper issue when setting up Marlin printer

When manually controlling the z-axis in reprap, it works fine. If I use the home button, it doesn't move. Instead, it stalls/freezes/hangs. It attempts to turn, but can't successfully make a full turn....
4
votes
3answers
4k views

Nozzle moves very slowly from home to start position

I´m currently working on a custom delta printer running Marlin 1.0.2 firmware. To control it I´m using the Repetier Host software with the onboard Cura software to slice my objects. The printing works ...
4
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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 ...
4
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1answer
38 views

Creality Ender 3 Pro - Z travel issue with TH3D firmware

TLDR - I’ve just driven myself insane trying to fix what I thought was a physical problem with my Z-axis, but it seems to have been solved by switching from the TH3D firmware to the Creality firmware. ...
4
votes
1answer
785 views

Laser LA03-5000 wiring to RAMPS 1.4

I'm totally lost. I have been searching about two days how to correctly wire Blue Laser LA03-5000 to RAMPS 1.4 board. This laser has 12 V input and separates PWM/TTL wires. I have found out how ...
4
votes
2answers
5k views

Anet A8 Calibrated but print sizes are wrong

Anet A8 printer, Github Marlin, Repetier Host, Cura slicer Just setting up printer and printed 20mm calibration cube from Thingiverse. X,Y,Z & E not too far off but not quite right (centre hole ...
4
votes
3answers
428 views

Nozzle reducing flow as it comes close to finish layer

I've have observed that when the printer is finishing a layer, the flow of plastic through the nozzle starts fading out as it comes closer to the point of layer change. As an example, let's say that ...
4
votes
1answer
998 views

SkyNet3D firmware home settings

I recently installed SkyNet3D V1.1 on my Anet A8 printer. When I prepare the printer and select "auto home" it moves the head close to the upper right hand side of the bed. How do I change these ...
4
votes
3answers
3k views

Z-axis not moving up

I'm near the end of the build of a i3 MK2 clone and have run into a problem with the Z-axis motors. Specifically, the Z-axis will move down (and trigger the endstop) but it will only make a quick ...
4
votes
1answer
2k views

E3D V6 underextruding always?

I have an E3D v6 1.75mm bowden. When I print, there is a gap between infill lines, and also when printing rectilinear/hexagonal infill lines seem to be pretty slim. My settings: Slicer: Slic3r ...
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 ...
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 ...
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 :/
4
votes
0answers
606 views

Connecting 128x64 OLED to BIGTREETECH SKR mini E3

I'm trying to connect a 128x64 OLED display with the SH1106 driver for the BIGTREETECH SKR mini E3 printer controller board which uses the 32 bit STM32f103RC MCU. Note that it works fine with my ...
3
votes
2answers
513 views

Tronxy Marlin boards (two of them) reboot when asked to heat bed

I have two Tronxy 2.0 V5 Marlin boards that reboot whenever heat is applied to the bed. The bed has been swapped (because I thought that was the problem) for a new shiny one. The thermistors, too, of ...
3
votes
2answers
120 views

Z axis no longer working on a working printer

I was printing an object and it started to drag so I stopped it. Went to move the Z-axis up so I could clear the bed and Z-axis would not budge. I switched the printer off and manually turned the ...
3
votes
2answers
251 views

The filament is almost impossible to remove

Most people complain about the filament not sticking on build plate but mine is vice versa. At first it used to be very good. When I removed the magnetic bed the project would come off easily but for ...
3
votes
2answers
3k views

What is M73 Q17 S43 G-code command?

I know that M73 P19 means "Set completion progress to 19%", and I suspect that M73 R42 means "Set remaining time to 42 minutes", ...
3
votes
2answers
2k views

3d printer not printing circles correctly

I am having issue with my new printer it is not printing circles correctly although I have change firmware and stepping of motor advise if anyone know the solution.
3
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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 ...
3
votes
1answer
11k views

Marlin 2.0 - set stepper drivers?

I have an Anycubic Delta with a Trigorilla board. I have swapped out the A4988 drivers for DRV8825. Currently, I am assuming it is using the A4988 drivers as the steppers are making a quiet growling ...
3
votes
2answers
250 views

Y-axis slipping causing failed prints

My Y-axis on my Monoprice maker select running ramps 1.4 and Marlin makes a thud noise when moving every now and then. I have noticed a 1 to 2 mm shift in the print when this occurs. I tighten the ...
3
votes
2answers
2k views

Why am I not seeing an effect from an M42 command on Marlin?

I'm trying to use one of the RAMPS GPIOs to control an external device that requires a 5V low-current logic level signal from Marlin. In order to do this programmatically, my host software (Octoprint) ...
3
votes
1answer
548 views

Stepper Motors getting extremely hot

I installed MKS Gen L V2.1 with TMC 2209 drivers to my Creality Ender-3 printer and updated the software to marlin 2, the stepper motors are getting extremely hot. What should i due to resolve this ...
3
votes
1answer
841 views

Z-axis comes down and presses the bed while printing

I am using a Prusa i3 with Marlin Firmware. All the components of my 3D printer working fine. I have a problem with my Z-axis, it comes down and get pressed by the bed. I have tried adjusting the ...
3
votes
1answer
187 views

Printer going wild mid print

Mid way through prints the print head will crash into the print, then crash into the bed, raise up about 3 inches, and start swinging back and forth over one part of the bed. I have had successful ...
3
votes
1answer
435 views

Chamber heating using hysteresis in Marlin

Is anyone using hysteresis with their chamber in Marlin? I have read bang-bang with hysteresis is possible when using a bed heater. I would like to do that for chamber heating. I have some lamps that ...
3
votes
1answer
138 views

Hotend drops to 175 ºC once extrusion starts (MINTEMP error reported)

Hotend drops from 205 °C to 175 °C, and then the printer errors MINTEMP. How can I fix this? Fan is not starting yet. ...
3
votes
2answers
192 views

Using both .gcode and .gbr files in a hybrid 3D printer + circuit etching machine? (RepRap 1.4 with Marlin firmware)

I'm making a hybrid 3D printer and circuit etching (CNC milling) machine that can both 3D print and etch prototype circuit boards. I'll be using Marlin firmware with an Arduino Mega & RepRap 1.4 ...
3
votes
2answers
3k views

Homing the 3D printer

I have just built my first 3D printer, and I am having some problems. It is a Cartesian based 3D printer, using Marlin firmware and Pronterface software. My problem is homing the 3D printer. I do not ...
3
votes
1answer
173 views

Arduino Mega 2560 + RAMPS voltage on GPIO pin

I am using an Arduino Mega 2560 and RAMSP 1.4 shield with Marlin firmware to control my machine (not exactly a 3D printer). Marlin has G-code: M42 P20 S255 ==>...
3
votes
1answer
1k views

Marlin: Making any GPIO pin HIGH for a given time

Is there any way Marlin Firmware supports G-code that can make a pin "high" and keep it at that state for a period of time specified? I have made a machine, which runs on Marlin Firmware, that is a ...
3
votes
1answer
6k views

How do I use MEGA pin number designations rather than RAMPS pin numbers in marlin

I am designing my own shield for the MEGA2650 that I will use to control my printer. When defining pins in the marlin firmware, the pin numbers are the pin numbers of the RAMPS shield and not the ...
3
votes
1answer
4k views

Why do I have to lower my Z axis steps per mm?

First, X and Y axis works perfectly, I measured well. I have plugged all jumpers, and use a very standard ramps 1.4 setup with standard Nema 17 200rev 1.8 motors and A4988 drivers. For Z axis, I have ...
3
votes
1answer
1k views

My Prusa i3's Z-axis will only go up

If I send it commands to go up, the steppers rotate things up. If I tell the Z-axis to go down, nothing happens. I inverted the Z-axis in the firmware (by setting the value to true instead of false), ...
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). ...
3
votes
1answer
63 views

Ender 3 Pro, Motherboard v4.2.7, Marlin 2.0.1 Firmware reset

Upgrading motherboard to v4.2.7 How do I reset the firmware after making wrong mods?
3
votes
1answer
109 views

Probe instead of nozzle centres on the bed

Problem is that the probe is in the center of bed instead of the nozzle. How fix it on my Tronxy X5SA? Those are my current settings and the nozzle is shifted from the centre (X: 35 mm, Y: 3 mm): <...
3
votes
1answer
1k views

Unable to compile Marlin for Anet A8

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3
votes
1answer
10k views

Where to define grid for bilinear levelling in Marlin

I'm using firmware Marlin 2.0.3 on an Anet A8 printer. I'm using a Roko SN04-N NPN bed leveller. I've managed to set up 3 points bed levelling but I wanted to try the bilinear levelling. Issue is, ...
3
votes
2answers
2k views

Linear advance calibration technique

Marlin has a Linear Advance calibration pattern generator, but I find it's hard to use because: It only prints the initial layer on the bed, where bed irregularities interfere with accurate reading ...
3
votes
1answer
56 views

Inductive Sensor Causes Print To Stop

Just added inductive sensor to my printer (MKS Gen L Board) using Marlin 1.1.9 After some tweaking it works great! The problem ...

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