Questions tagged [marlin]

Questions about the 3D printer firmware Marlin.

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2
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0answers
50 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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0answers
13 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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25 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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18 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
31 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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9 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 ...
1
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1answer
20 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
157 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
27 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
46 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 ...
1
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1answer
38 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 ...
1
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1answer
33 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
24 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, ...
1
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1answer
25 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
13 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
89 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
81 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 ...
1
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1answer
55 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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0answers
12 views

Anycubic Kossel Delta switch from Trigorilla to MKS Gen L 1.0

I have an Anycubic Kossel Delta 3D Printer. The original Trigorilla motherboard died and I decided to buy one but I only found a Makerboard MKS Gen L 1.0 which is said to be compatible with Trigorilla....
2
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1answer
43 views

Extruder motor does spin - but not while printing

I hope someone can poke me in the right direction, I´ve been failing to find a way around this problem and trying for about a week. My setup is pretty custom, I am using a BTT SKR 1.4 Turbo with ...
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2answers
53 views

What modifications do I need to make to Marlin if I completely replace the heated bed assembly?

I have a 3D printer built from generic, scrap parts. It's controlled by a 2+ years old MKS GEN L board running Marlin version ...
3
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1answer
58 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): <...
2
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2answers
48 views

Issue with Z homing on Ender 3 Pro with Marlin

I've just changed the motherboard on my Ender 3 Pro with a MKS GEN_L v1.0 and flashed the latest Marlin version on it. I've calibrated my bed manually using the default XY and Z auto home commands on ...
1
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1answer
89 views

Ender 3 Marlin - Incorrect temperature

I've updated to Marlin 2.0.7 when I set up a BLTouch and now it seems the temperature does not match the display. Before the update, I was printing with PLA filament at 205 °C and bed at 60 °C without ...
2
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1answer
78 views

Understanding of the auto bed leveling process (BLTouch)

I just installed my BLTouch clone (Marlin 1.8) on my Anycubic i3 Mega Ultrabase and finding confusing information about the Z_PROBE_OFFSET_FROM_EXTRUDER or the M851 ...
3
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2answers
80 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 ...
1
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2answers
128 views

How do I set my Z offset?

After watching every possible YouTube video on the subject and reading any source available, and although I'm a PhD and quite computer savvy, I still can't make my Anet A6 (no probe) behave in terms ...
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0answers
18 views

Marlin PID temperature control look werid

As you see in the picture, the heater turn on with 100% power (without PID) until it reach some gap say 5 degree C from setpoint then the PID start. I not sure why the heater power decrese to zero ...
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0answers
33 views

Hotend functioning inconsistently. PID completed normally, heating to quickly or not at all on print start up

I have a Xvico X1 printer which I had previously installed an SKR 1.3 on running Marlin, which was functioning normally. For Christmas I got a BLTouch, a heated bed and a Raspberry Pi for it, so I ...
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0answers
32 views

How can I improve dimensional accuracy of a delta printer?

I have a delta printer that I am trying to fine tune. I have printed a 20mm calibration cube and I get the following measurements: X: 20.5 Y: 20.3 Z: 20.0 How can ...
0
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1answer
86 views

Z-min always open when using BLtouch and Marlin 2.0

I recently added a Creality BLTouch v3.1 to my Ender 3 which has a MKS Base v 1.6 motherboard and is running Marlin 2.0, but the Z-min never triggers. I have made sure that the BLTouch unit lights up, ...
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0answers
34 views

How to replace Trigorilla mainboard with MKS Gen L 1.0

I have the following printer: Anycubic Kossel. This has Trigorilla mainboard. My mainboard is dead and it's very expensive or almost impossible to replace it with another Trigorilla mainboard. There ...
0
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1answer
156 views

What is the correct Marlin firmware setting for Tevo Tarantula with MKS Base V1.2 board

I am trying to correct the x&y offsets in the Tevo Tarantula that I got from a friend in order that my printer is not printing over the end. What I got so far is that I need to measure and then ...
1
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1answer
33 views

Marlin: Switch Y to E1

I have an Anycubic Kossel with Trigorilla Motherboard, Mega2560+RAMPS1.4. I'm using Marlin 2_0_bugfix My Y connector is not working anymore so I would like to use E1 connector as Y. I found a very ...
0
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1answer
416 views

After installing BLTouch and Marlin, my nozzle is too high when trying to print

So I have an AnyCubic i3 Mega which I added BLTouch v3.1 and Marlin (1.1.9 due to older, Atmega 8-bit CPU) using instructions and such from https://github.com/MNieddu91/Marlin-AI3M-BLTouch. Finally ...
0
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1answer
993 views

What can I do to remove the rounded corners using Junction Deviation?

I recently upgraded my Creality Ender 5 with an SKR Mini E3 V2.0 running Marlin 2.0.7.2. The printer has also been modified with an all-metal hotend and a direct drive conversion kit that uses the ...
5
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1answer
143 views

Thermal Runaway E1 at Layer 2

Before I start, I'll give you my setup: Ender 3 Pro Marlin 2.0.7.2 Material/Nozzle: PETG 0.4 mm @ 215 °C Bed: Glass @ 80 °C Default printing speed: 70 mm/s Standard part cooling fan Since I've ...
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0answers
18 views

3D printer always resets after extruder jog

My 3D printer (Inventor 3D plus) using RAMPS1.4 with Arduino Mega using Marlin firmware (tweaked by manufacturer). I do preheat with hot end and heated bed then I jog with extruder motor. After I ...
0
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1answer
50 views

Printer halted! Psu dead?

My Anet A8 Plus worked normally, but after the weekend and changing for new bearings on the rods, it is not working anymore at all. I experience random reboots, the nozzle can only heat to about 10 °C ...
1
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2answers
77 views

How to log each G-code line read from the SD card to serial on marlin firmware

I would like to log each line of G-code to the serial port as it is processed. Steps to achieve: the printer reads a file from the SD card each line it reads will be serial logged (this I can't ...
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0answers
48 views

CreatBot DX firmware flash for BLTouch install?

Any resources to add a BLTouch to the CreatBot DX? I cant even get Marlin installed without bricking my LCD and USB. I've heard suggestions to flash Klipper, run everything from a Pi or to swap out ...
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0answers
14 views

CR-10 not printing properly after Marlin 2.0.x and BLTouch installation

I flashed a new version of Marlin (2.0.x) because I bought a BLTouch sensor on my Creality CR-10 v2. Ever since I did that, my printer has terrible first layers (adhesion) and layer strength is weak. ...
0
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1answer
311 views

UBL Marlin settings to cover whole bed

This question is related to: How to set Z-probe boundary limits in firmware when using automatic bed leveling? I am trying to figure out how to set UBL In Marlin to cover as much bed as possible. So ...
0
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1answer
28 views

Ender 5 SKR Mini E3 — After Heating the Hot End Assembly Runs into the side of the printer

So I got the SKR mini E3 for my Ender 5 after hearing all the positive reviews. When it arrives I plug everything in, make sure it's secure and test the axis... they all worked correctly. I then ...
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0answers
13 views

How to know which “TEMP_SENSOR_0” value for pre-built custom printer

I got a prebuilt custom printer which I am trying to get working. I am currently trying to configure Marlin for it and I am kind of stuck on the TEMP_SENSOR_0 ...
0
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0answers
279 views

Ender 3 Pro with BLTouch bed leveling stops after 1 test (Marlin 2.0.7.2)

I have an Ender 3 Pro with the BLTouch installed. Firmware is Marlin 2.0.7.2. I followed this instruction. When I start the bed leveling it will go to the center, check it twice and then return to the ...
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1answer
34 views

3D printer homing issue, nozzle damaging the bed when printing

I have a custom Cartesian style 3D printer. The controller board has been upgraded to a BIGTREETECH SKR V 1.4 Turbo. This is a 32 bit board. Marlin 2.0.3 seemed to build and install with less issues ...
0
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1answer
65 views

What is the purpose of partial (<100%) backlash correction?

Marlin has an option to fade out the amount of backlash correction, given as BACKLASH_CORRECTION. It is also available in GCode as ...
1
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1answer
70 views

How is the extrusion rate matched to the movement speed?

A typical line of (depositing) G-code seems to set a maximum speed (F), a new position to move to (X, ...
2
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1answer
47 views

X axis doesn't lift after levelling

So, I recently installed an inductive sensor to my 3D printer for auto bed levelling and now I'm stuck on Z probe offset as it doesn't seem to do much apart from changing number is given on display ...

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