- At least once a month.
- When extruding the filament, the gears need to rub and engage the filament, which will produce waste in the process. With the accumulation of waste filaments, the friction between filament and gears decreases, and the extrusion efficiency will also decrease, or even cannot be extruded. In addition, accumulated waste filaments may fall into the nozzle and jam it. Therefore, you need to clean the gears inside the extruder regularly.
- Press down on the idler latch on the front of the printhead to open it.
- Use a cotton swab to remove the waste filaments from the idler gear until there is no visible residue.
- Remove the waste filaments from the drive gear with a cotton swab until there is no visible residue, and then close the idler latch.