MK3S:MMU2S 3.0.0
Release 3.0.0 of TZB-MK3S:MMU2S Firmware for use with the Original Prusa i3 MK3S 3D Printer & MMU2S combination.
Attached are compiled binaries(hex) for use with MK3S and MMU2S units.
Ensure you're running the latest RELEASE and you've checked the Wiki for answers before reporting. Any issues reported regarding previous RELEASES will automatically be closed and not responded to, this ensures the developer maintains focus & streamlines the development process.
Changes since RC4
- MK3S Codebase pulled to PRUSA Stock FW COMMIT_NR:3274 of 3.8.0+
Here are a couple more awesome MULTIMATERIAL test prints!
So glad I can finally use the MMU2 for it's purchased reason, it's been a thorn in my side since 12SEP2018
🎉 Alternate FEATURES to PRUSA FW 🎉
- Proper Axis Homing!
- Trinamic StallGuard on Idler and Selector when in Normal mode
- Direct Selector Positioning
- Sleep mode when unloaded for a short period for peace and quiet
- Filament Type tuning for PVA and FLEX
- PWM Heated Bed with Adaptive tuning for speedy accurate heating
- Stealth Mode Via Menu (Automatic Reduced federates with TMC StealthChop)
- LCD Guided MMU2S SETUP menu for more intuitive BOWDEN calibration
- TZB-Comms protocol
- Prompts on LCD to guide through setup & troubleshooting failure states
- Easier troubleshooting with logical use of MMU2S buttons, Wiki guides to come for all tricks I've incorporated
- Extensive work ensuring machine states are correct when awaiting human master assistance
- Examples like ensuring hotend heater & extruder motor shut down
- OctoPrint Action Commands
- Single MODE, go to Service pos & reset MK3S. Move MMU2S off Service pos & reset to re-enable
STEPS TO GET GOING
- FLASH MK3 & MMU2 with release HEX files below using these procedures if unclear
- Adjust BOWDEN LENGTH to center of Bondtech gears (ONLY FIRST FILAMENT)
- Get familiar with the differences in failure states and recovery procedures in the Wiki
- Slice with the PRUSA SLICER using MMU2S Profile
- Happy PRINTING!
Please go through the Wiki regarding further setup and troubleshooting steps
Recommended Hardware Mods
Current Issues...
✏️REPORTING ISSUES
Please post any feature requests or issues with as much detail including build of printer screen of MMU2S, MK3S as well as what you think is happening, if you're able please have a go at modifying the code and submitting a pull-request for your feature/issue.
🤓DONATIONS
As I'm a sole developer and coffee is the fuel of gods please feel free to make a small donation if you feel my relentless efforts have made your MK3S:MMU2S experience more enjoyable as it has mine.
