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Hello everyone,

Seeking help to configure the firmware for the UMO I'm in the process of converting  to use 1.75mm filament. I've upgraded to the following parts.


1. MK8  METAL EXTRUDER - https://www.banggood.com/3D-Printer-MK8-1_75mm-Remote-Extruder-Metal-Frame-Kit-For-Makerbot-Reprap-p-1070154.html?rmmds=search&cur_warehouse=CN

2. E3D V6 GENUINE NOZZLE - https://www.filastruder.com/collections/e3d-spare-parts-and-accessories/products/e3d-spare-nozzle-v6?variant=755000273

3. E3D V6 GENUINE HEATER BLOCK - https://www.filastruder.com/products/v6-volcano-cartridge-style-upgrade

4. E3D V6 GENUINE CATRIDGE TYPE THERMISTOR  - https://www.filastruder.com/products/v6-volcano-cartridge-style-upgrade?variant=20942512644


6. FULL GRAPHIC DISPLAY CONTROLLER  - https://folgertech.com/collections/lcd-displays/products/lcd-display-controller-12864-graphical-reprap-ramps-3d-printer-mendel-1

   I was able to get it working with Amedee's builder

7. CAPRICORN PTFE BOWDEN TUBE - https://www.filastruder.com/search?type=product&q=CAPRICORN

Here are some images of the changes that has been done.




Edited by mechaneil

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I'm not an expert, but I have reconfigured my Marlin a couple times. The following is how I would solve your issues - not specific instructions.

After using a Marlin builder like Amedee'a Builder, I open the resulting configuration.h file and step thru all the settings making whatever further changes are necessary. As a nube, I step through every setting from top to bottom making sure I tick all the necessary boxes and none extra. It's a text file that is well commented with instructions on how to make the settings. I think you can edit it in any text editor, but maybe the Arduino app might be best. Another good tool is an editor that allows comparing 2 files at once. The one I used is called Winmerge. This helps making incremental changes as you work toward your final version.

Not all of your listed hardware upgrades will directly affect your configuration.h. From what I see - and my nube experience level, you need to make changes for; the feeder steps and maybe direction, the thermistor, and the graphic display. I'm not sure if the heater itself would require any changes. I would be concerned about if the voltage and current requirements match or are compatible with the motherboard and/or the hardware being replaced.

Best of luck. It doesn't seem there are many people available who do these kind of tasks for pay. Its as likely someone will come along and help you for free. In the end, you'll be better off doing it yourself.

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With your hot end being built up from new pieces, it would be a good idea to establish new PID parameters for your nozzle after everything is up and running. I would have to search up the method to run the test, and write the settings to the controller. It can be done by Gcode sent thru USB/Pronterface. That is how I did it.

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