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==[[Digital technologies/3D printing/3D printing- Beginner/Troubleshooting a failing print|Troubleshooting a failing print]]==
 
==[[Digital technologies/3D printing/3D printing- Beginner/Troubleshooting a failing print|Troubleshooting a failing print]]==
Many things can go wrong when 3D printing. Thankfully, using recommended settings should always work well, and such, diagnosing a failing print is fairly easy. The following are a set of issues, possible diagnoses, as well as potential fixes when printing with an Ultimaker 2+:
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Many things can go wrong when 3D printing. Thankfully, using recommended settings should always work well, and such, diagnosing a failing print is fairly easy. The following are a set of issues, possible causes, as well as potential fixes.
 
{| class="wikitable"
 
{| class="wikitable"
 
|+Troubleshooting Table when FDM 3D Printing (Ultimaker 2+)
 
|+Troubleshooting Table when FDM 3D Printing (Ultimaker 2+)
!Issue
+
!Issue (symptom)
!Possible Diagnosis
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!Possible Cause (diagnosis)
!Potential Fix
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!Potential Fix (cure)
 
|-
 
|-
|Under Construction
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|Warping
|Under Construction
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| rowspan="2" |Not enough/too much model base surface contact to the print bed
|Under Construction
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|Using a brim or a raft (adhesion)<sup>*.</sup>
 +
|-
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| rowspan="2" |Bad adhesion
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|Using a brim or a raft (adhesion).
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|-
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|Uneven print bed/Bed too far from nozzle at initial layer
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|Relevelling buildplate.
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|-
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| rowspan="2" |No extrusion
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|No filament
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|Replace filament spool.
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|-
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| rowspan="2" |Filament clog due to nozzle clog
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|Unclog the printer (it is uncommon that this is the right fix).
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|-
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| rowspan="3" |Underextrusion
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|Ask a Makerspace employee to assist with further diagnosis.
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|-
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|The forwarding mechanism (gearbox) ground through the filament
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|Move the filament out of the forwarding mechanism. Use the change material feature to speed up the removal. While the mechanism is whirring to remove the material, pull slightly on the filament, at the back of the printer for the mechanism to grab. Break the filament clean off at the section where the filament was ground, clean up the end by cutting it off. Re-forward the material into the printer, making sure the right material is chosen in the menu.
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|-
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|Wet filament
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|Remove wet section of the filament (0.25 to 0.5m length) and re-load.
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|-
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|Print not level
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|Model not well seated on bed (in slicer)
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|Use the snap to bed feature in your slicer (when available), add a brim to preview which flat sections are well seated on the bed.
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|-
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|Drooling
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|No supports when needed
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|Add supports.
 
|}
 
|}
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'''*Though it may be counterintuitive when the base surface is too large, using a brim permits heat dissipation, reducing warping and making the brim sacrificial if warping does occur regardless (reducing the impact to the part).'''
    
==[[Digital technologies/3D printing/3D printing- Beginner/What not to print|What not to print on a 3D printer]]==
 
==[[Digital technologies/3D printing/3D printing- Beginner/What not to print|What not to print on a 3D printer]]==
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