I bought a used JJP12 jointer/planer combo to upgrade my old 6" jointer and DW735 setup, and I'm working on a few deferred maintenance issues to get it running correctly. One of the ones I can't seem to figure out is the dust collection - it works near perfectly in the planer mode, but in jointer mode, the chips will spew up the small gap between the dust shroud and the bottom of the infeed table, and it doesn't seem to be collection much, if anything. I'm attaching a few pictures of the remnants of a 1" edge joint done right at the middle of the cutterhead. I get the same issue regardless of the width of the board being jointed.
It seems like most issues with this machine involve poor dust collection in planer mode, and I haven't been able to find anyone with this issue in the jointer mode. I'm running a 2hp Grizzly DC with about 5' of 4" PVC and 4' of 4" flex hose to the machine which should be plenty of airflow. There's an internal baffle in the dust shroud that some people have reported being stuck open, but mine moves pretty freely in either mode.
Does anyone have any experience with this issue, or have any ideas I can look at? Should the dust shroud not have a gap between that and the infeed table? I feel like this should be pretty straightforward, so not sure what I'm missing here, and I'd appreciate any help with this!
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