Roland SOLJET Pro III XC-540 Service Notes page 189

Move the Pinch Rollers at the positions shown in the figure,
5
and lower them.
Move the Tool Carriage to the position under the H mark
6
which is written on the rail.
The rail has an H mark at the point where Tool
H e i g h t A d j u s t m e n t i s m a d e d u r i n g t h e
production of the machine.
H mark indicates the highest position of the bed.
(The position where the space between the
Head and Bed is the smallest.)
Turn the Adjustment Screw to adjust the space between the
7
Pen end and Bed to be 2.5mm to 2.6mm.
Move on to the Tool Pressure Adjustment.
8
PINCH ROLLER
TOP COVER
RAIL
BELT
TOOL CARRIAGE
4-58
GRIT ROLLER
ADJUSTMENT SCREW
BED