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From the beginning, I have mounted a cleaning brush along the back edge of the build plate for head cleaning. It’s pure copper to prevent head damage, and its been very good at keeping buildup off the nozzles. Unfortunately, since this is a TAP based voron, this has caused issues. In order to reach the cleaning head, the kinematics have to be fully initialized. The problem is I need to clean the nozzle before I can properly level the gantry and home the z axis. The dirty nozzle throws off the leveling calculations randomly, but is generally good enough. I can then scrub the nozzle, and get a perfect calibration. It just takes two cycles and slows things down.

With moving the brush to be mounted on the gantry, I no longer need to level the gantry. I can just home x and Y, then manually move the nozzle over to the brush for scrubbing. Once scrubbed, I can level Z. At least that’s the plan. We’ll see how this goes once installed.