The Sliders travel along the Y Carbon Rods, and are pulled by 2 Y Belts (Left and Right). The Y moves the Extruder Forwards and Backwards.
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Causes + Solutions
Solution: Scaling might be incorrect, try to increase the scale. Also, the cura settings in the M3D software may be to blame.
Nozzle height might be too low
Solution: First, make sure your print bed is level. Second, increase the bed height offset by 0.1mm and reprint. If you don't know how check if your bed is level or how to increase the bed height offset, please go to the How To Guide: Printbed Calibration page.
Solution: The x-axis rack length may be too long and limits Y-axis movement. The x-axis rod length can be shortened by simply cutting the tab on the right. Please view the following link for the instructions: How To Guide: Cutting X Rack to length
Very slight or very rare skips over long prints.
Solution: Let nylon sliders work itself in; spray teflon drylube coating. Also, make sure the external feed path is friction-less and the filament is not tangled. Please view and run the Remote Diagnostic: X and Y Skip Test. If your print head does not meet the front rods during the test, then see the following causes for Y skip and repair your unit as necessary.
Carbon rods expanding at the front or rear gantry peg.
Solution: Request a replacement x-axis carbon rods from technical support. Please include a picture in your request email.