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Looking for help with a Tool 2 failure  

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Jamie Claye
(@jamie-claye)
Member
Looking for help with a Tool 2 failure

I was gifted a 2 tool XL that when it swaps to the second tool, it clicks when doing a wipe pass and triggers the filament jammed failure.

Tool 1 will print solo just fine.  If I try printing from tool 2 solo, it will print about 20 layers or so before it triggers the jam sensor

If I turn off the sensor, it will under extrude and completely stop extruding. 

I can load and purge the filament just fine.  I've done a cold pull clean, nozzle needle clean and the nozzle doesn't show any problems.

It feels like the z offset for tool 2 is wrong.  Perhaps what I need to do is some basic level of calibration?  Does this problem look familair?

Posted : 29/05/2025 1:35 am
gvandehy
(@gvandehy)
Eminent Member
RE: Looking for help with a Tool 2 failure

Any chance tool 2 isn't heating up enough? I had a bad thermistor on one of my extruders and had similar issue. Try turning up the heat when printing just from tool 2 solo and see if it helps. Prusa has a guide for testing the thermistors using a multi meter as well.

I bought a new thermistor and my problem went away.

Posted : 30/05/2025 4:25 am
1 people liked
Jamie Claye
(@jamie-claye)
Member
Topic starter answered:
RE: Looking for help with a Tool 2 failure

Thanks, I would think if this was the case, it wouldn't fail immediately when changing tools, or allow a nice flow while purging filament.  I'll check the guide for testing the thermistor just the same. 

Posted : 30/05/2025 4:42 am
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