Roland VersaUV LEJ-640 Service Notes page 239

Turn the Adjustment Screw to make the lines of each
14
color in the test pattern straight.
Position of the printing moves 1/2 line by
turning the screw 30 degrees.
- When the lines other than K are above the K lines,
turn the Adjustment Screw CW.
- When the lines other than K are below the K lines,
turn the Adjustment Screw CCW.
Adjust the Head positions referring to the left-
end K head as the base position. The posi-
tion of K head on the left end does not need
to be adjusted.
Tighten the screws fi xing the Head in the reverse order
15
of loosening, using the TORQUE DRIVER (ST-056).
Torque for tightening is 2kgf • cm (20cNm).
Make sure not to tighten the screws fi rmly.
When you tighten the screws fi xing [HEAD 5], use any of a No.1 bit
which length from 200mm to 300mm or [TOOL,BIT CROSS NO1
V17 7X207L ST-121]
as shown in the fi gure.
. Place the driver to the cutout of the Motor Stay
2
3
1
4-31
Adjustment Screw