parallel

Sorry, I mean a link to the website of the makers. I have done a google and cant find any info on it.
Hood

it's easy-cnc

Reduction gearing or a microstepping driver.
RC

it's microstepping driver

Have you adjusted the pot as oastie said?
Do your axis move the correct distance when you MDI a move?
Hood

sep volts and amps are good, measurments are repetable to .oo1 over ten or more repetions

Looks like gearing maybe the only way then, what are your steps per unit set at and is this imperial or metric you are using?
Hood

units a imperial, steps per is a ripping 802.8114176 vel is 5 accel is 5 the driver is set to 1/8. Your conclusion is same as mine, if I make a 4:1 transmission it'l be very close to the acme im using on the y axis. Plus I can use the machine to make most of the parts now. Beats drilling sawing and lots of file work. Wow I just noticed your a Scott, wow isn't the internet a neat thing?
Oh, and thanks for all the ideas and thoughts

Your motor will do 1 turn for every 1600 pulses so the carriage moves almost 2 inch for each rev of the motor? Can you get a smaller wheel on the motor?

Well almost, I am a Scot
No probs, like to help when I can

Hood

  picturing Mario headbanging with a kilt on.