Table of Content:

Checking alignment

There's a plug with a wire cross that inserts next to the head. For each corner, and the center: insert paper, fire laser, remove the paper, check dot.

The laser dot should be centered, and just below the horizontal - and it should be identical for each position.

Front to Back is off

Rear mirror needs alignment

Left to Right variance

Gantry Y mirror needs alignment.

Adjusting the mirrors