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Extrusion Problem

Posted by Xecut0r 
Extrusion Problem
July 30, 2015 03:29PM
I raise the hotend It extrudes ok calibrated. As soon as I start a print it's not extruding, the wade gear does seem very slow, all I get is some small blobs. I switched stepper pcb also increased z height still no change. I'm using marlin & repetier. any advice on what could be the cause.
Re: Extrusion Problem
July 30, 2015 04:45PM
Stepper current far too low? Try telling it to print but tripping the Z limit switch with a match or something so that it prints in mid air. If it now extrudes O.K. then the back pressure is stopping the extruder motor.
Re: Extrusion Problem
July 30, 2015 07:13PM
Hi Just tried as suggested there is still no extrusion mid air, it does extrude normally with jog controls,
I have a multimeter connected ground/pot it's 1.71mA 10.12v dc, do I need to test when it's operating
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