I have dual extruders and my second extruder skips steps whenever I print with it. I have tried increasing the current by turning the little screw on the driver counterclockwise, which makes it stop skipping, but then the printer shuts down mid-print, which probably means it was using too much voltage. Is there a better way to resolve this issue than increasing the current? Thanks in advance

Chances are the backpressure within the hotend is to high. Try to reduce the speed and, independently, try to reduce retract.

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It may be that the nozzle is too close to the bed?