Operating Instructions Chapter 7
CLV 42x bar code scanner
Maintenance
8 009 981/O078/16-08-2004 © SICK AG · Division Auto Ident · Germany · All rights reserved 7-1
7 Maintenance
7.1 Cleaning during operation
To ensure optimum reading performance, the reading window of the CLV must be clean at
all times.
For this reason, we recommend that you check the reading window at regular intervals,
particularly if the device is operated under extreme conditions (dust, abrasion, humidity,
finger prints).
Laser radiation can seriously damage your eyesight
The CLV uses a class 2 red-light laser. Looking directly at the laser beam can seriously
damage the retina in your eyes.
As with sunlight, never look directly into the laser beam.
Switch off the device while it is being cleaned.
Never look directly into the reading window while the device is in operation.
Damage to the reading window
The reading window is made of glass. Scratches and streaks on the window will reduce the
reading performance.
Use a mild, non-scouring detergent.
Never use scratching or scouring motions to clean the reading window.
Cleaning reading window
Clean the reading window at regular intervals with a mild, non-scouring detergent, e.g.
an antistatic glass cleaning fluid.
Fig. 7-1 shows the areas that require cleaning.
Use a soft, lint-free cloth.
If necessary, clean the LEDs on the rear of the device.
Note Don’t open the device. The producer warranty will be forfeited if the device is opened.
Fig. 7-1: Cleaning the reading window
Line/Raster scanner
Line/Raster scanner with
105° angle attachment
clean here:
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