Suddenly started under extruding

[JonRaymond]

Check your thermal paste and see if it has dried up.

Thermal Grease: Small Cause -> Big Effect on printing results

Since most Bambu Lab printers are the same age, I can imagine that this problem could affect several people here in the forum. My printer has been producing imperfect prints from time to time lately. After 3 weeks of vacation I wanted to use it yesterday and this is what I got as a result: [IMG_0421 2] So I cleaned the nozzle according to the instructions and was in good spirits when the next print looked pretty decent at first glance. When the printer stopped extracting filament after a …