Confirm extruder 'clicking' or 'popping' by observing the extruder motor's drive gear during a print; if the gear slips or jumps backward while attempting to feed filament, the system is experiencing backpressure. Verify this by checking the nozzle temperature against the filament manufacturer's specifications, performing a cold pull to inspect for internal nozzle clogs, and testing if the clicking persists when reducing print speeds to 40mm/s or below to rule out volumetric flow rate limitations.
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