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I have a serious issue with my recently installed Micro Swiss MK10 extruder upgrade (cooling block, guide and nozzle)

I managed to print 2 files. The next day I wanted to start a new print and no filament was being extruded. I couldn't even push the filament out manually, as if the extruder was still cold.

After cleaning the guide and nozzle, I was able to print again.

Today, I have the same issue. There's another clog and I am really becoming inpatient. I had nothing but issues from the start and I was hoping that the extruder upgrade would solve some of them.

Are there any tips that could solve this? I am not going to take apart everything after every cooldown to clean up the extruder...