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To make sure that your print head and Z stage can move smoothly at all times, it is advised to lubricate the axles regularly.
If the axles feel dry, this can show in your prints as small ridges on surfaces. For optimal performance of your Ultimaker 2 or Ultimaker 2 Extended, apply some oil to the axles. You can use sewing machine oil for this. This oil was not included with the printer, but can be acquired from most hardware stores or from your local Ultimaker reseller.
X and Y axles
Apply a small drop of oil to each of the X and Y axles as well as both print head shafts. Manually move the print head around to evenly distribute the oil. It is recommended to do this once a month or 400 printing hours, or whenever the axles feel dry.
Caution: Do not apply too much oil to the axles, as it might drip from the axles onto the build plate, which will affect print adhesion. If a drop of oil does fall on the build plate, make sure to clean it thoroughly before printing.
Apply a small drop of oil to each of the (smooth) Z axles. Move the build plate up and down to evenly distribute the oil. This can be done manually, or through the Maintenance menu (Maintenance > Advanced > Raise/Lower build plate).
Lubricating the Z axles is not necessary as frequently as the X and Y axles. This should be done every six months to a year, depending on the number of printing hours.
Note: Do not apply the oil to the Z motor's lead screw. This must be lubricated with grease once every three months.
|Oil should be applied to the print head shafts, the X and Y frame axles, and the Z shafts, but never to the trapezoidal lead screw.|