how does BBF work with MK3.5S+ for a firmware update
 
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Payette
(@payette)
Eminent Member
how does BBF work with MK3.5S+ for a firmware update

I am unable to find the hex file for the latest firmware update 6.0.4

I seem to only get to download a BBF and I am uncertain as to how that gets me a hex file that a can flash

Best Answer by Chip Wallace:

If you have and SD slot on the left of the screen, then you don't have a MK3.5.  The MK3.5 upgrade kit replaces the Rambo with the Buddy board, and a new screen that has a USB port on the right side.

It sounds like you just have a MK3 that you at least partially upgraded to a MK3s+.  The MK3.5 is a completely different machine.

I believe you need this firmware seen below.

 

Posted : 31/07/2024 6:37 pm
Marcel Karger
(@marcel-karger)
Active Member
RE: how does BBF work with MK3.5S+ for a firmware update

Save the BBF on the MK3.5 USB stick, plug it into your printer and turn it on. The upgrade should now be offered.

MK4S MMU3 & MK3.5 @Home, MK4S MMU3 & XL 5 Head alongside EOS SLS @Work

Posted : 01/08/2024 3:29 pm
Payette
(@payette)
Eminent Member
Topic starter answered:
RE: how does BBF work with MK3.5S+ for a firmware update

I have a printer cord input and a SD input.  No stick input (thumb drive I assume)

Posted : 01/08/2024 8:30 pm
Marcel Karger
(@marcel-karger)
Active Member
RE:

Then you don't have MK3.5, check for MK3S(+) when downloading the firmware. Or another printer? Make sure you know what model you really have.

MK4S MMU3 & MK3.5 @Home, MK4S MMU3 & XL 5 Head alongside EOS SLS @Work

Posted : 01/08/2024 10:25 pm
Payette
(@payette)
Eminent Member
Topic starter answered:
RE: how does BBF work with MK3.5S+ for a firmware update

First off thank you for your answers so far.

I do have a prusa Frankenstein that started life as a M the K3.  I may have only upgraded partially with the 3.5S+ hotend

I have only two ways in with this printer - the printer USB at the top of the Rambo - The SD slot

I went back and downloaded the firmware for only a 3.5 and once again, it is in a BBF format

My procedure to update the firmware is to download a .hex, then flash it

I'm stuck  - what's the procedure?

 

Joe Payette

Posted : 02/08/2024 10:50 am
Chip Wallace
(@chip-wallace)
Active Member
RE:

If you have and SD slot on the left of the screen, then you don't have a MK3.5.  The MK3.5 upgrade kit replaces the Rambo with the Buddy board, and a new screen that has a USB port on the right side.

It sounds like you just have a MK3 that you at least partially upgraded to a MK3s+.  The MK3.5 is a completely different machine.

I believe you need this firmware seen below.

 

This post was modified 5 months ago 2 times by Chip Wallace
Posted : 03/08/2024 10:08 pm
Payette
(@payette)
Eminent Member
Topic starter answered:
RE: how does BBF work with MK3.5S+ for a firmware update

Thanks everyone.  I was downloading for the wrong printer

resolved!

Posted : 04/08/2024 11:43 am
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