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What head version do I have?  

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Dusty.Tools
(@dusty-tools)
Active Member
What head version do I have?

Hi all,

Can anyone tell which printer head version this is? It's no longer reliably printing and needs an overhaul, so I'd like to upgrade it to a MK3s at the same time.

Postato : 29/04/2022 4:23 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: What head version do I have?

Looks like a Prusa Mk3S with MMU2 filament tower. 

what's the problem with the printer?
regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Postato : 29/04/2022 4:46 pm
Dusty.Tools
(@dusty-tools)
Active Member
Topic starter answered:
RE: What head version do I have?

Thanks, so does that mean I can use this upgrade?

https://www.prusa3d.com/product/original-prusa-i3-mk3-s-to-mk3s-upgrade-kit/

I keep getting a thermal runaway, resulting in an M112 emergency stop. I am pretty sure it's not the bed and cleaning the hotend works for a while, but it crashes after 5-6 hours.

So my I'm thinking of replacing the hotend, so I might as well just upgrade the head in the process.

Postato : 29/04/2022 4:51 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: What head version do I have?

that is the Mk3S+ upgrade. which needs all of the plastic parts re printing. 

I am not sure that it is going to address your thermal runaway issue. 

thermal runaway usually occurs due to :-
overcooling of the extruder heat block, (Possible due to incorrect assembly)(Your hotend looks to be located properly in the retaining blocks)
poor thermal contact between the extruder thermistor and the heatblock
A faulty heater
Faulty heater wiring, 
Faulty heater connector on the einsy
Low voltage on the power supply
Loose power connections

the chances are that changing the parts for this upgrade will not directly correct your thermal runaway issue.
regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Postato : 30/04/2022 7:55 am
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