H-BOT printer mirror/inverse print?

Hello guys, I have two issues with an H-BOT printer, here I attached a picture with the two issue what I think it describes much better than explain it..

1.- I setted the H-bot printer as picture, motor 1 and 2 at back side. Y-min endstop at back left, & X-min endstop at left side.
It seems the X-asis print in the right direction but inverted at Y-axis?? How could I solve this issue in a H-bot printer?

2.- The printer is a large version and z side is around 400mm. I tested to print a tall cube and the result is till 200mm or so print correct and then it shift on X-axis a little (around 1/3mm in around 100mm tall.
I guess it's a Z-axis calibration?





I appreciate all your replies and help!!

Regards

I think you have your Y motor direction reversed and Y home direction reversed in config.h
home position on your bed should be at front left corner

Edited 1 time(s). Last edit at 01/20/2017 04:04PM by obewan.

I have replied to your similar post in General.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].