Printing problem

I am printing Reprap samuel parts. I am facing a problem that parts are printed straight. Some parts are slightly angled. Important parts like X-end-motor and X-end-idler are angled. I cant guess the pronlem. Motors are also not shifting. i there anyone else face this type of problem? Any solutions??

PS- Images attached.

It looks like the Z axis of your printer is not perpendicular to the XY plane. You need to align the axes so they are orthogonal.

Print this and use the spreadsheet to calculate the required corrections: [www.youmagine.com]

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Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]