My old fuji have only 5 blades on exhaust/cooling fan which means that the wind could be more or less 10% weaker than now standard 6 blade and 25-30% less than the 8 bladed special model. To compensate this I set the inverter frequency at …

Its tuff enough to rotate at 132hz or 2.5x speed If I adjusted the drum gap right, the drum might not have stopped during the previous batch. But it is not good to work on a machine caring about or fearing that it could stop at anytime, I …