need someone with cnc brains help

hi, ok ive made an rockcliff machine and have a slight problem the bed seem to be a little higher on the right hand side i was going to add another piece of mdf on top of the bed. But what i need piece g-code to level the bed, the bed is 340mm x 340mm ive tried but just cant get the gist of it ?

hope someone can help me with the basics :?:

i'm using Mach 3
thanks for looking steve

thanks very much kip i will give it ago this afternoon thanks again steve :)

Did it work?

Any chance you could reup this to the post i think the change of forums has lost it. Wouldnt mind it formyself to.

Thanks kip, i will move this to the FAQ section to.