Chapter 8 Operating Instructions
CLV640 Bar Code Scanner
74 © SICK AG · Division Auto Ident · Germany · All rights reserved 8011975/0000/2008-04-14
Maintenance
8.2.1 Cleaning the reading window
Important Electrostatic charges cause dust particles to stick to the reading window. This effect can be
combated by using anti-static SICK synthetic cleaner (no. 5600006) in combination with a
SICK lens cloth (no. 4003353).
Damage to the reading window!
Reduced reading capacity due to scratches or smears on the reading window!
The reading window for versions CLV640-xxx0 is made of glass.
¾ Do not use aggressive cleaning agents.
¾ Do not use cleaning agents which cause increased abrasion (e.g. powder).
¾ Avoid cleaning motions on the reading window which could cause scratches or abra-
sion.
Damage to the reading window!
Reduced reading capacity due to scratches or smears on the reading window!
The reading window for versions CLV640-xxx1 is made of plastic.
¾ Only clean the reading window with a damp cloth.
¾ Use mild cleansing agents without powder. Do not use strong cleansing agents such
as acetone.
¾ Avoid cleaning motions on the reading window which could cause scratches or abra-
sion.
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