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Jun 30, 2019 at 17:26 comment added cmm Cooling electronics is always good. Period. If you can add a fan, no harm will come of it, especially if it is a fan powered from +12 V. If it improves print quality then you needed more cooling. If it doesn't, you didn't, but cooler is better and increases operating life.
Jun 29, 2019 at 11:39 comment added jnts Stepper motors don't get very hot. Their drivers can get a little hot but I can touch the heatsink over them for more than 5 seconds without any problem. Should I still think about the additional fan? I just wanted to install it because I found more than one webpage saying that cooling the drivers would improve print quality. I also was afraid that the little heatsink that the drivers have (images.app.goo.gl/boU13KNmcH4eD9Eq8) was not enough to cool them down. @cmm
Jun 29, 2019 at 11:33 vote accept jnts
Jun 27, 2019 at 17:45 history answered cmm CC BY-SA 4.0