Epson LS-B Series Maintenance Manual page 150

LS10-B Maintenance 3. Covers
Prevent the air tube from bending sharply inside the
manipulator. Also, do not block the air flow.
If there is a kink in the air tube, air flow is blocked while
the manipulator is operating and may cause a trouble.
Put the air tube along the left side wall as shown in the
picture.
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GOOD: Curved
LS-B series Maintenance Rev.1
BAD: Bended