I have a zonestar P802QR2 model. This problem has been appearing since I first started using it and I'd really appreciate some help here!

The prints always come out wavy and I'm guessing the y-axis is the main problem since the wavy lines come out stronger when moving in certain directions. The worst is when its moving towards the +ve y-direction.

single layer print

I printed an octagon outline here to show the difference for different directions. The problem appears regardless of the speed setting. (ignore the poor taping, it doesn't affect the current problem)


  • $\begingroup$ stick a small container of water on the corner of bed. When it's moving in the +ve direction does the water generate waves or does it just slosh around? (think bubble level) $\endgroup$
    – user77232
    May 3, 2020 at 7:25
  • 2
    $\begingroup$ Belts tight? Binding bed platform? $\endgroup$
    – 0scar
    May 3, 2020 at 15:01
  • $\begingroup$ @user77232 i can't call them waves but the +ve movement causes more of small vibrations while the -ve is just sloshing. what does this mean? $\endgroup$
    – zspqr
    May 4, 2020 at 1:09


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