Roland VersaUV LEJ-640 Service Notes page 158

Loosen the 4 screws to remove the Carriage Belt.
13
Do not scratch the Encoder Scale when removing
the carriage Belt.
If the grease of the Belt adheres to the Encoder
Scale, it can be a cause of defective printing.
Replace with the new Carriage Belt.
14
Check that the Belt is not twisted.
Put adequate quantity of grease (P/#: 21675102 GREASE,
FLOIL G-902Y 10ML) between pulleys.
Tighten the Screws shown in the fi gure to fi x both edges of
15
the Carriage Belt to the Belt Holder.
When fi xing the Carriage Belt, make sure the end
of the Belt are not overlapped.
Be careful with fi xing direction of the Plastic Plate
and fi xing order of the Plates.
< Cross-section diagram >
OK)
Carriage Belt
Screw
Metal Plate
Plastic Plate
Belt Holder
<Left side>
< Cross-section diagram >
OK)
Plastic Plate
Carriage Belt
NG)
Plastic Plate
Carriage Belt
Plastic Plate
Carriage Belt
3-84
<Right side>
Screw
Plastic Plate
Metal Plate
Belt Holder
Screw
Plastic Plate
Metal Plate
Belt Holder
Screw
Plastic Plate
Metal Plate
Belt Holder