CAUTION
As with all optical components the laser scan lens is an object of highest preci-
sion and sophisticated design!
Slightest damage of the surface might (in the long term) result in unusability of the
component or reduction of marking quality. Any contaminants must only be re-
moved by means of optics cleaning paper and acetone.
Make sure that no contaminants enter the marking head while cleaning the laser
scan lens!
To clean the laser scan lens you need:
• Optics cleaning paper
• Acetone
• Protective gloves
NOTICE
Wear protective gloves during the complete procedure!
6.3.1 Disassembly of the Laser Scan Lens
DANGER
Before starting any work the laser system must be completely switched off.
1. Turn the key switch to position »0«. Remove the key to ensure that the laser
system cannot be switched on.
2. Switch off the main switch.
3. Disconnect the mains connector.
The laser scan lens is in a bayonet socket which is unlocked by a quarter turn.
1. Turn the laser scan lens carefully by a quarter turn in counterclockwise direc-
tion. Do not touch the lens surface with your gloves!
2. Remove the laser scan lens from the marking head.
For SHC 100C/120C/150C:
1. Remove the two fixing screws from the laser scan lens.
2. Remove the laser scan lens from the marking head.
6.3.2 Mounting the Laser Scan Lens
1. Insert the laser scan lens into the marking head.
2. Carefully turn the laser scan lens by a quarter turn in clockwise direction. Do
not use any tools!
For SHC 100C/120C/150C:
1. Insert the laser scan lens into the marking head.
2. Mount the laser scan lens using the two fixing screws.
09/17 - Index: AD [EN]
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Videojet 3140/3340/3640/6 Maintenance
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