●S2.0 Allen Key
●S2.5 Allen Key
When restarting the printer, the gear will reset to its zero position, then try to pull out the consumable.
1.If restarting the printer doesn't work, you need to disassemble the buffer mechanism. First, use an S2.0 allen key to remove the two screws securing the buffer mechanism cover, then remove the blue clip and the PTFE tube.
2.Use an S2.5 allen key to remove the two screws securing the buffer mechanism cover.