Prusa i3 MK2S KIT - 13 AQ - C Ommon I Ssues W Hen a Ssembling T He P Rinter K

13 FAQ - common issues when assembling the printer kit
13.1 Nozzle/print surface gap is greater in the middle than at the
corners
The reason of this issue isn’t the bent printer surface or bed but a distorted Y-axis. We
suggest to remove the whole Y-axis out of the printer. Follow these steps:
● Align the Y-axis so that each Y-corner is sitting on the table - none should be off the
table.
● Align the tightening of each Y-axis threaded rod so that each Y-corner is
perpendicular (facing upright) to the table surface.
● Align the tightening of each Y-axis threaded rod so that each M8 threaded rod is at a
right angle to the M10 threaded rods - the Y-axis must form a perfect rectangle when
viewed from above (pict. 31).
Pict.   31   -   Right   angle   between   Y-axis   and   M8   /   M10   rods
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