Are you saying that noise from clip is going on and on nonstop? What if you put machine to sleep via button, will it came again? This doesn't seem to...
Large MFPs and WSD/XPS are big No-no.
Maybe for smaller A4 USB home desktop printers they are OK but IMHO no MFP with LAN port should be using them....
On those 2 machines both K drums are really at around 150k counts.
And drive count matters also they've look doing a lot of color job vs monochrome....