¶ Issue Description
The filament fails to be fed from CANVAS to the tool head.
¶ Reasons
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The filament are knotted or tangled.
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The feeding of CANVAS channels has abnormality.
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The filament runout sensor at the tool head is abnormal.
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Filament is not inserted normally in non-printing state.
¶ Troubleshooting Steps
¶ Tools needed for troubleshooting
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A 1.5 mm Allen key
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A 2.0 mm Allen key
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A 2.5 mm Allen key
¶ Step 1 Check the channel with the flashing red light of CANVAS and observe whether the filament in the corresponding channel have been knotted or tangled.
¶ Step 2 If the filament is not tangled or knotted, continue to check whether there is filament residue inside the bottom bracket assembly.
Note: If there is residual filament inside the 4-in-1 hub and the filament detection board is not triggered, it may cause the filament entering the other channels to be fed abnormally.
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Turn the power switch OFF (symbol "〇") and unplug the power cord.
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Remove the cover.
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Loosen and remove the two screws securing the extruder communication cable with a 1.5 mm Allen key.
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Loosen the screws securing the tank chain and unplug the extruder communication cable with a 2.5 mm Allen key.
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Loosen the two screws securing the 4-in-1 hub and remove the 4-in-1 hub with a 2.0 mm Allen key.
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Push the filament manually. Check whether the filament can be pushed out from the 4-in-1 hub and whether any residual filament is left in the 4-in-1 hub.
