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Post History: Paul

Paul

Administrator

No worries Nev, we get you a replacement. It could be the onboard fuse that has triggered because of …In: No Movement from Steppers

2 weeks ago

Hi Nev, This is a bit of a tricky one, I cannot see any issues with the power connection (24V yel …In: No Movement from Steppers

3 weeks ago

Hi Nerv, probably better to post some photos of the installation showing the wiring. Most likely …In: No Movement from Steppers

3 weeks ago

Hi Mal, The PWM output pin on the MG3 provides a 5V PWM signal. Basically its a pulse width varia …In: Low laser power output from Lightburn via MG3

3 months ago

Drag chains are use for cable management, in other words, cable don't get in the way of the mov …In: Photo's of the drag chain installed

3 months ago

Beautiful! Very nicely done.In: Ummm Help? Stream not completing

3 months ago

Yes you should be able to use the power from the laser supply. The M7 signal goes from the MCU to an …In: What are the best point to source power?

3 months ago

Well done! Sometimes it can be tricky with Windows. Some Windows laptop make a port go sleep to save …In: Ummm Help? Stream not completing

3 months ago

Well done! Glad i could help you out. Cheers PaulIn: Different K40 with different wiring

4 months ago

Hi Keith, In Lightburn you can enable or disable the homing at power on/connecting. See edit/devi …In: On-device head positioning.

4 months ago

Hi Thanks for that. I can see the safety protect K connector above the D+ and D- connec …In: Different K40 with different wiring

4 months ago

Yes you need the second PSU because that's delivering power to the steppers. The MG3 board need …In: Different K40 with different wiring

4 months ago

The P+ and Ground is just a jumper between the two terminals. Normally this is a switch on the contr …In: Different K40 with different wiring

4 months ago

The failing on any gcode might be the issue. Do you use the correct device "stm gerbil" an …In: Ummm Help? Stream not completing

4 months ago

My panel also has interior light and main power switches. The light works as expected, but if the un …In: k40 with digital control panel questions

4 months ago

Hi, This can be anything but will list here my things that can happen; Electrical …In: Ummm Help? Stream not completing

4 months ago

That's good news, the step stick has to be replaced. Just send an email to our support and they …In: No voltage to stepper motors 2-25-2025

4 months ago

Ok from the led statuses I can see that the board does get 5vdc and 24vdc. The limit switches do wor …In: No voltage to stepper motors 2-25-2025

4 months ago

Hi, are you able to provide some more specific details? Like whether the motor are locked or not? …In: No voltage to stepper motors 2-25-2025

4 months ago

Yes there is an output pin that can use the gcode command M7 or M8. Current the output pin is set to …In: targeting laser

7 months ago

Basically you need TMC stepsticks for zero limit switches. They use firmware to detect a stalled mot …In: Photo's of the drag chain installed

7 months ago

Humm, when the mount end it's on the gantry bar end (right side/not the lens side left) than it …In: Photo's of the drag chain installed

7 months ago

Hi, Thanks for sending the YT video. Apologies for the late reply but we have been debating about th …In: mini Gerbel firing before job

1 year ago

Hi Dave, This is possible but it requires a bit of tech savviness on your side. Here is the link …In: Air assist solenoid valve

1 year ago

Hi, the laser power is controlled via G code commands e.g. S100 will send 10% power, S500 will send …In: MiniGerbil - Test Fire too Hot

1 year ago

Hi Matteo, From what I see is that you have an additional power supply. The reason for that is, t …In: Different K40 with different wiring

1 year ago

Hi Matteo, It seems you have a very new Chinese controller board but the laser power su …In: Different K40 with different wiring

1 year ago

Hi Zoltan, The results in x and y direction are different because the max stepping rate in x dire …In: Engraviring problem

1 year ago

Hi Derrick, The MG3 differs from MG2 in a way that the power circuits are not shared as in MG2. M …In: Board detection and Lightburn re-homing differences between MG2 and MG3.

3 years ago

Hi Milos, thanks for reaching out to us. The PSU is not the same but still can be used with the MG3. …In: Help with installation

3 years ago

Hi Wicus, the $ settings between the MG2 and MG3 product are slightly different. We apologise for th …In: 60Watt Install

3 years ago

Hi Wicus, I suspect the logic levels of the limit switches are not good enough to pull the limits. …In: 60Watt Install

3 years ago

The pull off distance of the limit switches can be set via $27. Normally set to 4mm but you can try …In: 60Watt Install

3 years ago

Hi Wicus, the WP input on the Laser Power supply should be grounded (probably via the safety key) in …In: 60Watt Install

3 years ago

We thought it would be helpful to post here the pinout map of the MG3 board.In: MG3 PINOUT MAP

3 years ago

I had a customer with some issues to get his engraving to work. This is a complex process and we wro …In: Engraving quality, ImagR-Kasia

3 years ago

In a nutshell: reduced noise from the power supply by using Optocouplers, increased gantry speed, l …In: MG2 to MG3

3 years ago

If you cannot find the answer here or it is more K40 user related tips (first use, power supply issu …In: Other K40 forums that might be helpful

3 years ago

You can extend the rails in the K40 and use the existing stepper motors. Just adjust the x and y axi …In: External Stepper Drivers MG3

3 years ago

Just read a great post about laser banding (dark and light bands in the engraving) See this link …In: Laser Banding

3 years ago

If you encounter any issues with MG3 , you could start here MG3 troubleshootingIn: MG3 trouble shooting

3 years ago

There is a blog about customising the air assist port see MG3 Air assist There are two commands i …In: Customisation Air assist port

3 years ago

Hi David, You could try Aliexpress https://www.aliexpress.com/item/32785321586.html?spm=a2g0o.sto …In: K40 Stepper Motor

3 years ago

Hi Merv, This is an excellent question and many beginners bump into this issue. The first thought …In: Grayscale

3 years ago

See below.In: upgrading limit switches

3 years ago

Just letting you all know that LaserGrbl 4.7.1 seems to work with MGs when set for smoothie device. …In: LaserGrbl 4.7.1 works with smoothie setting

3 years ago

We expect a new batch this week, so it will be available within a week or twoIn: Stock Availability?

4 years ago

We encountered an issue while testing our new controllers with the Y axis being shrunken. After c …In: Y axis is shrunken when I draw a perfect square

4 years ago

Hi Greg, in order to fire the laser, the laser enable signal labelled 'LO' should go to lo …In: Laser won't power up

4 years ago

Thanks Anthony, i will investigate and see if there is a fix for it.In: Fast Red Flashing LED

4 years ago

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