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Maybe there is hope  

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imod.systems
(@imod-systems)
Honorable Member
Re: Maybe there is hope

Sounds like me over the weekend...i ended up doing two main things that i think helped the most....cut the tubing for the filaments down to like 5 inches of tube sticking out of the machine...and threw away those black 3d printed rotating things attached to your spool holders.

Went from constant retracting issues on almost every color change to 1 bad unload in an 8 hr print.

I tried a festo holder upgrade but found that the filament / ptfe tubes started to spin all over the place, tangling over other filaments. I kinda dig the stock solution because it keeps everything tidy. I had the inconsistent feed issues with both solutions.

Napsal : 24/10/2018 9:35 pm
Kcnjamie
(@kcnjamie)
Eminent Member
Topic starter answered:
Re: Maybe there is hope



I appreciate the work that went into it- the hardware seems great when it works- but one of the topics in this very forum is someone who has made better firmware in something like three weeks for their pitch of their services to JP.

About that....One thing I've learned is that it takes a lot more work to get a tested product out the door than to produce a demo video.

It might be that someone really did make better firmware in a few weeks. Or maybe not.

His name is Chuck and he's been very active on this forum and the face book pages with his results. He has shown awesome results with his homebrew....and has made everything available on a github page. Some of the things he has improved and learned, Prusa would be wise to reach out to him.

Napsal : 25/10/2018 12:33 am
Zcubed
(@zcubed)
Eminent Member
Re: Maybe there is hope

I've been following these two threads for any real progress on getting the MMU2 working perfectly. They have shown more progress in less than 2 weeks than Prusa showed in 2 months since I got my MMU2. One is a gcode script to drop ramming temps to reduce stringing and the other has heavily modded firmware to improve general performance and error handling.

https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f53/script-to-drop-temperature-during-ramming-t24890.html

https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f53/improvements-to-the-mmu-2-0-controller-firmware-t25189-s50.html

https://www.thingiverse.com/zcubed/things
Napsal : 25/10/2018 8:46 pm
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