Vertical Channel

vertical channel recessed lines in the part that appear parallel to the z axis (build direction) how to identify vertical channel can be diagnosed as follows looks like a score line on the surface appears as a long channel on vertical planes or a short channel on curved/sloped surfaces cause inconclusive cause inconclusive cause inconclusive troubleshooting it is recommended that you review all the possible solutions before taking action to ensure you are pursuing the best course of action if the best course of action is not apparent, try the troubleshooting options in the order listed refer part defects for more tips try the following actions in order hardware checks diagnostics hardware checks if any of these conditions apply to your print, take the corrective action and reprint to see if the problem is resolved if the defect appears again upon reprint on the same part, in the same location, proceed to diagnostics hardware ensure all of the printer's optics are clean for a clear path for uv light verify the cassette window is cleaned properly, without dust, spots, or streaks verify the projector path is clean m1/m2 printers check the deck glass m3/m3 max/l1 printers check the projector lens reference cleaning instructions for your printer m1/m2 printer docid 6pwz7jx jb4l5 xwkoj m3/m3 max printer docid 3yymggihdvaowg01eay6l l1 printer docid\ on8otjugbxoth6qmqw2om diagnostics if the above checks & actions did not resolve the issue or do not apply to your print, the following diagnostics may further inform what is causing the issue hardware inspect cassette for contamination or damage reference cassette care docid\ y imi7aevlyjbsatexxdb for more information print with a different cassette if the issue is resolved with another cassette, reach out to carbon support mailto\ support\@carbon3d com for assistance with the problematic hardware if the issue persists on the same part, in the same location, reach out to carbon support mailto\ support\@carbon3d com for assistance with a possible dead pixel (rare) if problems persist, please reach out to carbon support mailto\ support\@carbon3d com explanation & causes explanation vertical channels occur when uv light is blocked, inhibiting curing in the blocked pathway this happens in the same place on every layer, which explains why the defect is vertical the uv light can be blocked by a piece of dust or debris a damaged window a dead pixel in the light engine's projector (rare) causes hardware the printer or cassette is dirty or requires maintenance to resolve the defect occasionally, a defect may indicate the printer requires servicing \[check name here] root issue problem why defect presents cleaning cassette window is dirty deck glass is dirty (m1/m2) projector lens is dirty (m3/m3 max/l1) a dirty or faulty cassette is blocking uv light, inhibiting curing at the defect window damage a dirty or faulty cassette is blocking uv light, inhibiting curing at the defect dead pixel faulty light engine a dead pixel is not shining uv light, inhibiting curing at the defect