It’s been a long time since I’ve posted here and the i3 clone has been printing like a dream!
So here’s my new issue I’m beating my head against the wall to figure out. The extruder starts to under extrude at random levels. Sometimes the first level, sometimes the 100th, etc. There’s no apparent reason.
What happened before:
My ramps 1.4 board fried and the extruder driver card was getting passed too much current. Even if I dialed the potentiometer down, it would not go low enough. I swapped out the ramps 1.4, and the extruder driver board and adjusted the Marlin firmware for the new DRV8825.
The extruder motor, even during the under extrusion layers, keeps moving as if nothing is wrong. It’s working mechanically.
What else have I done:
I have gone through a few atomic pulls to clean the nozzle. I have disassembled the hotend to replace the ptfe tubing (Genuine E3D V6). I have baked the filament.
It’s almost like heat creep except instead of jamming completely, it will start printing again.
I’m lost on what to look at now. Here’s a link to some pictures of the “failed” prints.