@phaedrux @deckingman

Yep, setting the origin to 0,0 did the trick! I was using 0,200 since that was what the D-Bot build guide showed. Thanks for the assistance.

In Slic3r I have the bed size set to x300 y200 with the origin at x0 y200 (back left of the bed).

I'm in the process of commissioning a new D-Bot printer and I'm seeing strange behavior of the Y axis during my first test prints. The printer homes successfully then moves to the front center of the bed and starts to print but there is no Y movement once it reaches the starting location. So instead of a 20x20 cube I end up with a weird 20x1 tower. The printer never moves the Y axis after the print starts and the skirt doesn't print correctly either.

When I test the X/Y axis motion manually everything seems to behave correctly.
+X moves to the right / -X moves to the left
+Y moves to the back / -Y moves toward the front

The X endstop is at the low end and the Y endstop is at the high end.

I also see the correct diagonal movement when I run the test commands on the CoreXY configuration page.

I suspect I have some fundamental misconfiguration somewhere but I'm just not sure what I'm missing here. Any ideas would be appreciated.

Duet 2 Wifi 2.0(RTOS)

config.g
homeall.g
xyzCalibration_cube.gcode