Roland CAMM-1 PRO CM-500 Service Notes page 34

4 Adjustment
Select "ORIGIN SET" by pressing the [MENU] key 3 times.
5
Move the TOOL CARRIAGE to the position where the
clearance between the pen tip and the BED is the smallest
among the 5 positions (3 positions for CM-300) with [
[ ] keys.
4
Adjust the Adjusting Screw so that the clearance between the
6
pen tip and the BED would be 2.4—2.6 mm.
Make sure the clearance is 2.4—3.0 mm at other 4 positions
7
(2 positions for CM-300).
If not, proceed to SPACER BED ADJUSTMENT.
30
] and
WHITE
DUMMY PEN
Press the [MENU]
key 3 times.
TOOL CARRIAGE
BED