WOW! that might be what has happened to my geeetech a20m.. a couple nights ago I finished a PETG print and when swuitched to PLA for the next one the firmware failed, a few restarts and then the PLA wouldn't get out, nor the PTFE... both stuck.. and at first I could manually extrude or using the menu option...
WOW! that might be what has happened to my geeetech a20m.. a couple nights ago I finished a PETG print and when swuitched to PLA for the next one the firmware failed, a few restarts and then the PLA wouldn't get out, nor the PTFE... both stuck.. and at first I could manually extrude or using the menu option...