CamFive FM Series Manuel de l'utilisateur - Page 19
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4.2 Maintenance
Cleaning Optical Lens
Because of the working environment, the optical lens may have been polluted after
being used for a period of time. If it is not maintained regularly, the dust will corrode the
lens with coating. The lens that is damaged by coating cannot reflect light and let the
light go through the laser. It will instead absorb laser heat, affecting the effect of marking
and causing the lens to crack easier. When cleaning the lens, use lens paper or absorbent
cotton with medical alcohol rotary cleaning along the central to the brink of the lens.
Note! Do not use a coarse material wipe or touch the lenses with your hands.
Warm Tips：
1.Lens should be wiped gently. Do not damage the surface coating.
2.The wiping process should be gentle to prevent the decline.
3.While wiping the lens, do not wipe it back and forth or brush it with rough materials as
the lens is consisted with a metal film, which will lead to a damage of laser energy
attenuation.
4.Absorbent cotton wipe can be used once only. Check after cleaning. Do not leave cotton
thread or other residues after wiping. Wait until the alcohol completely volatiles before
starting the machine up.
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FM30 / FM50 User Manual