It sounds like you've already taken some good steps in troubleshooting your first layer adhesion issues. Here are a few more things you can try:
Check Nozzle Height: Double-check that your nozzle is at the correct height relative to the bed. If it's too far from the bed, the first layer won't adhere properly.
Calibrate Extrusion: Make sure your extruder is properly calibrated to ensure the correct amount of filament is being extruded.
Temperature and Cooling: Experiment with slight adjustments to nozzle temperature and bed temperature. Sometimes small tweaks can make a big difference in adhesion.
Filament Moisture: While moisture can affect print quality, it's less likely the sole cause of your issues. But for peace of mind, you can try drying out your filament before use.
Software Updates: Check if there are any firmware updates available for your K1 Max. Sometimes, software updates can address issues with bed leveling and overall print quali...
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