Roland EGX-300 User Manual page 26

Part 1
When Not Using the Depth regulator nose
If you do not use the depth regulator nose, take a table workpiece made of ABS plastic about 10 mm (1/2 in.) thick,
secure it in place on the included table, and perform surface leveling. By using this as the table surface, you can carry
out engraving at a uniform depth.
1
Loosen the Z adjust screw.
3
Insert the cutter into the hole in the cutter holder and
position the tip so that it gently touches the surface of the
workpiece. Use the hexagonal screwdriver that comes
with the machine to tighten the cutter mounting screw.
Head
Surface of
the workpiece
24
Z adjust screw
2
Press the arrow keys and the [-Z] key to move the tip
of the head to a position close to the surface of the
workpiece.
Bottom of the head
Surface of
the workpiece
4
Use the operation panel to set Z0.
Refer to "Setting the Z0 Position."