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JammerX19
(@jammerx19)
Eminent Member
Cannot flash MMU firmware

Trying to flash 0.9.0 onto the MMU and Slic3rPE says "flashing failed: the device could not have been found". My computer found the device and shows it in Device Manager properly as COM5. Any ideas on what to do next?

Publié : 11/10/2018 2:28 am
ad.lamy
(@ad-lamy)
Estimable Member
Re: Cannot flash MMU firmware

Hi Jody,

I had the same problem with Slic3rPE on Linux, I found the solution here https://github.com/prusa3d/MM-control-01/blob/master/README.md , perhaps it can help even if you are a Windows user.

Regards

MK4/MMU3 - VORON 2.4 350 Stealthburner

Publié : 11/10/2018 7:05 am
nuroo
(@nuroo)
Reputable Member
Re: Cannot flash MMU firmware

It's easy in Windows. Modifying and flashing with Arduino IDE is easy in Windows. But the easiest choice is now available:
New mmu2 firmware with precompiled hex
https://github.com/prusa3d/MM-control-01/releases/tag/v1.0.1

Just download and and use slic3r to update.....

Prusa MK3 preassembled (R2/B6) > (R3/B/7)
Prusa MK2.5 kit > MK3 > MK3+MMU2 (R3/B/7) 😀
Prusa SL1 3D printer + Curing and Washing Machine (day1 order)
Taz6
CR10s4
Delta 3ku

Publié : 12/10/2018 5:31 pm
Joe
 Joe
(@joe-16)
Eminent Member
Re: Cannot flash MMU firmware

You are connected to the MMU via USB right, not just the printer?

Publié : 12/10/2018 5:34 pm
ad.lamy
(@ad-lamy)
Estimable Member
Re: Cannot flash MMU firmware

Yes only connect the MMU to your PC.

MK4/MMU3 - VORON 2.4 350 Stealthburner

Publié : 12/10/2018 7:00 pm
JammerX19
(@jammerx19)
Eminent Member
Topic starter answered:
Re: Cannot flash MMU firmware

Yes, I was only hooked directly to the MMU from my PC. It ended up being a USB port thing. I moved it to another port on my PC and it worked.

Publié : 16/10/2018 9:56 pm
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