Questions tagged [marlin]

Questions about the 3D printer firmware Marlin.

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37 views

Using external stepper driver

I need to add two external stepper drivers to my MKS Gen L board. I am using E1 as an extra Y-axis and that is working great. I have three Z motors and I want to ...
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14 views

Help adding additional stepper drivers to Marlin

I am building a large printer that needs 3 independent Z-stepper motors that will home with a BLTouch and 2 Y-stepper motors with an endstop for each side. I can use the ...
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20 views

Odd behaviour of steady feedrate increase

For some weeks I noticed really odd behaviour on my OctoPi controlled Anet A8. I'm using an MKS Gen L board with TMC2208 on this and constellation worked for a year now. When starting a print, I ...
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23 views

Ender 3 firmware update installation

I've had my Ender 3 for about a month; I'm getting awesome quality prints with economy PLA (and very good with PETG). I've run into an issue, however: the printer will reboot itself (appears to ...
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13 views

BLTouch goes behind print bed

I want to install Marlin 2.0 on my CR20 Pro but when I try to level the bed it goes behind the bed (in my direction on the Y axis). Here is my bed config: ...
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1answer
37 views

Ender 5 Plus manual screen temperature adjustment

I want to get my Ender 5 plus to print at 300 °C. As such, I've edited the firmware and increased the HEATER_0_MAXTEMP to 315 °C. In my slicer, I can slice and ...
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19 views

Receive M114 command while printing using Printrun

I'm working on a project for which I use the Printrun package to serial communicate my G-code to my 3D printer (Creality Ender 3, Marlin firmware). The idea is that I have an external button connected ...
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1answer
30 views

How can I print in multicolor with Ender 6?

I'd like to make multicolor printing on Ender 6, but it seems that the filament change (ADVANCED_PAUSE_FEATURE) doesn't work (it works on my Ender 3). Can you help ...
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1answer
43 views

Stepper motor moving only to one side after reset

I come through this post, rescue a problem with my printer. It uses Arduino 2560 Mega, RAMPS 1.4, and Marlin 1.1.9, which had configured it left it working as follows: on the RAMPS the Y-axis is ...
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1answer
22 views

Ender 5 with 8-bit Creality 1.1.4 board- Issue with speed of extruder motor spinning too slow

The issue I'm having is that the extruder motor is not spinning fast enough so the filament doesn't come out as fast as I would like it to. In terms of the specs, the printer is an Ender 5 that has ...
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1answer
76 views

Height of the prints are always larger

This problem is driving me crazy, no, seriously speaking. I bought this printer this week and started to calibrate for accurate dimensions. I printed the one-and-only calibration cube (20x20x20 also a ...
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3answers
79 views

Print not sticking to bed

Today I ran into an issue with the filament not sticking to the build plate. However, the strange part is, that this only happens with one filament color (both PLA, khaki, black works just fine) and ...
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1answer
20 views

3 Extruders on SKR V1.1, how set up 2 in 1 out (Y piece), and 1 single extruder in latest Marlin?

On Anet A8 with SKR V1.1 32 bit board my intention is to use 3 extruders on my Anet A8, 1+2 via Y-piece on single nozzle, 3rd Extruder with 2nd nozzle. Need another stepper to connect to SKR V1.1 (10 ...
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13 views

Anet A8 BLTouch bed leveling starts outside of bed

I just upgraded Anet A8 to Marlin 2.0.x with BLTouch, but my issue is when I press bed level the center is not correct, and when it goes to the first point it is outside of the bed. My BLTouch is back ...
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35 views

G28 is not homing to center of bed

I've got a heavily modified CR-10s Pro, and I'm compiling my firmware. I have my own x-carriage with the probe changed to the right of the nozzle. The bed size is 300x300. Oddly, when I do a G28 the ...
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1answer
36 views

First move after homing way too fast

There are a few hits on my issue title but could not find an actual answer/advice. I burned my Ender 3 Pro Creality motherboard and replaced it with an SKR 1.4 + TMC 2209 + BLTouch. Everything is ...
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1answer
48 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?
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1answer
40 views

Printer shaking - Marlin 2.0

I just replaced the board on my Creality CR-10 with a 32-bit SKR Mini E3 V2.0 control board that runs Marlin 2.0. With the new control board, the printer's Y-Axis moves vibrate so much that it blurs ...
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2answers
77 views

Prints are mirrored in X-axis and inverted in Y-axis direction

My custom 3D printer prints everything inverted. I guess this is a homing problem as the motor moves in correct direction. In Pronterface, if I press -Y — bed moves forward (towards the Y endstop) if ...
4
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1answer
60 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,...
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18 views

Sending multiple commands to printer without overloading its command buffer [duplicate]

I am writing a python code for a 3D printer (Marlin). I'm trying to execute a movement that might be composed of multiple commands (G0). Unfortunately, sending all ...
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0answers
21 views

How to enable Z-offset on MKS TFT28 V4.0

I am trying to enable Z-offset on MKS MKS TFT28 V4.0 touch screen but I couldn't for some reason. This is the code that I have uploaded to the Screen firmware in which you can see that I have enabled ...
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1answer
417 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 ...
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0answers
52 views

BLTouch not covering the whole bed area

My problem is that the BLtouch doesn't probe the whole bed, in which the probe starts from the left edge and stops at the middle of the bed. I'm using Marlin 2 software and this the code in the ...
2
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1answer
60 views

G-code wait for extrude command to finish

I have following G-code to prime the nozzle before start of the print. ...
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0answers
54 views

What could cause these slight waves on the print?

The model of the test part is perfectly smooth and exported/sliced in very high resolution, yet there are slight waves on both axis. These waves are not visible in simulation. Converting to arcs via ...
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1answer
1k views

Ender 3 V2 blank screen and LCD continuous beeping with clicks

So I have been having an ongoing problem with my printer that I just can't solve. I don't usually ask the questions on stack exchanges until my problem gets unsolvable. Unfortunately like this one ...
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0answers
285 views

BLTouch does not compensate for bed level correctly

Printer: Anycubic Mega S. Mods: BLTouch, Dual material with G-code-powered switch. Firmware: Marlin 2.0 A couple of weeks ago I had a print failure when printing PETG. Now whenever I use auto bed ...
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0answers
36 views

Automatic leveling of the bed does not work

I am trying to run the G29 G-code for my 3D printer to automatically level the bed of the printer. Every time I try run the G-code my printer just beeps and nothing ...
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85 views

Marlin v. Repetier G-code flavor

My TronXY X1 runs on Repetier firmware. My Ender 3 runs on Marlin firmware. I found that apparently code in Marlin style does not always create good prints on a Repetier machine, under extruding in ...
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2answers
56 views

How to setup Marlin to use a moving bed (up-down)?

I am building a 3D printer from scratch, the bed will only move on Z and the head will stay at the top of the printer and move X and Y. How do I modify the Marlin firmware to have the bed lower as it ...
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2answers
31 views

Printer thermistors read completely wrong after changing firmware

I recently installed Marlin 1.1.9.1 onto my Creality CR-10S. After doing so, the temperatures for both the bed and hotend now read -14 °C. I have changed the setting in the Marlin ...
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0answers
86 views

Should center point of G29 matrix always be zero?

Questions: Should repeated applications of G29 (auto-level) result in the same matrix as long as nothing is loose or has otherwise mechanically changed? Should ...
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1answer
29 views

How to make it so that multiple motors respond to

I want to make it so that the E1 and E0 do exactly the same as the Y motor and I was wondering if anyone here knew how to do that? I basically just want to make it so that when the Y motor is ...
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0answers
31 views

How to code for the BTT expansion board? [closed]

Does anyone know how to adjust the firmware for the BTT expansion module? I am going to be using this(https://github.com/bigtreetech/BTT-Expansion-module/tree/master/BTT%20EXP-MOT) to add three ...
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32 views

PID Autotune not working and M92 calibration not saving?

I have a Witbox 2 running Marlin that I got second hand and it seems like nothing is able to be calibrated on it. I have tried many times to get the nozzle calibration to save but it never seems to ...
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0answers
62 views

BLTouch Creality Firmware works, Marlin doesn't

I've had the BLTouch working fine using this kit and following the instructions it shipped with. I wanted to increase the number of probe points so I've attempting flashing with Marlin to achieve this....
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0answers
11 views

I am installing a BTT 24 v1.1 and it appears to be functioning in the 12864 mode with the exception of the top two lines which are gibberish

I am installing a TFT24 v1.1 and it appears to be functioning in the 12864 modes with the exception of the top two lines which are gibberish. I have attempted to block both the boot and the custom ...
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2answers
56 views

Can't get Y-Axis to move with Marlin firmware

Just as the title says. I feel like I have tried everything. I am compiling the firmware for Marlin on a Megatronics board from RepRap. That shouldn't be relevant, because I have validated that it is ...
4
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1answer
186 views

Why are fast printed lines thinner?

I have run the K-factor Calibration Pattern generator to tune LIN_ADVANCE and found that when K=0, the whole middle part of the ...
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0answers
70 views

How to specify servo pin for BLTouch sensor in Marlin

I have been through a bunch of different examples/tutorials/other threads. But I can't figure out how to let the firmware know what servo pin is used for the BLTouch sensor in the latest Marlin 2.0.c ...
2
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1answer
83 views

Marlin: Why is the extruder stepper jerking?

Environment: Printer: Anycubic Chiron, Firmware: Marlin 2.0.7.2, Settings: FWRETRACT is not enabled, Slicer: Cura 4.8.0. When I print using the code below (it is longer, but I do not know where to ...
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1answer
165 views

Ender 3 + SKR 1.4 + Marlin 2.0.x bugfix - what bed size/min/max positions should I use?

On my Ender 3, it seems that the Y-axis can only move forward 220 mm after which the carriage will hit the tensioner. This seems repeatable so I don't think it's a hardware issue (unless it's expected ...
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1answer
65 views

How to programmatically resume a paused print in Marlin

A print that is paused with an M0 can be unpaused with M108. That works with my Chiron running Marlin 2.0.7.2. However, it also ...
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0answers
84 views

Marlin RAMPS 1.4 reboot problem while printing via SD card

I have a custom 3D printer with RAMPS 1.4 and Arduino Mega 2560 (clone). I installed Marlin 2.0.7.2 firmware and I tested all the motion and heating parts individually and all of them work fine. Also, ...
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1answer
43 views

Z-step pulses too short (Marlin 2.0.x)

I was replacing a stepper driver on my Melzi 2.0 board with a A4988 Pololu module and for some reason, it won't cooperate with Marlin. For reference, I'm using a Melzi 2.0 TRONXY with a ZONESTAR-style ...
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0answers
26 views

3D printer Endstop doesn't trigger in Pronterface when depressed

I am using Makerbot endstops connected to a RAMPS 1.4/Arduino Mega 2560 setup. I am using Marlin firmware and Pronterface. When I send the M119 command, all six (I'...
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1answer
157 views

Marlin firmware: move without auto bed leveling

I am working on a filament unload script. My current problem is that the script always does an auto bed leveling. I have two scripts to test this issue: ...
2
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1answer
326 views

Marlin firmware: unload filament with G-code

I have upgraded my ER-20 with a Bondtech dual gear feeder. It is not or hardly possible to load/unload filament manually with this feeder, so some .gcode is needed to do it. I wanted to implement ...
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1answer
66 views

Z-Axis on i3 clone won't move at all, Melzi A4982 driver problem

I'm setting up a replacement Melzi 2.0 board from TRONXY for my i3 clone (a Monoprice Maker Select v2 for those curious), which according to the RepRap wiki has A4982 drivers for all the steppers. I'm ...

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