Canon CN20x50 Series Operation Manual page 6

RESPONDING TO MALFUNCTION OR ACCIDENTS
WARNING
1. If any of the following situations occurs, immediately disconnect the lens cable from the camera and contact your dealer
or a Canon representative listed below.
・ Smoke, fumes, or unusual noises coming from the lens
・ Foreign objects (such as liquid or metal objects) inside the lens
WARNING
1. Before cleaning the lens, always disconnect the lens cable and remove the lens from the camera.
Do not use benzene, thinner, or other fl ammable substances to clean the lens. This may cause fire or electric shock.
NOTE
1. Clean off any dust on the lens using a lens blower or a soft lens brush.
In case of fingerprints or stains on the lens, use a clean cotton cloth moistened with commercial lens cleaning fluid, or
use lens cleaning paper. Gently wipe in a spiral pattern from the center of the lens.
Be careful not to rub dust across the lens, which may scratch the lens surface.
2. Routine inspection about once a year is recommended, depending on the conditions and environment of use. Request
overhaul, if needed.
CAUTION
1. Always attach the lens cap (or hood cap) and dust cap before storage. Storing the lens without the caps attached
poses a risk of fire if the lens focuses a light source.
NOTE
1. Immediately wipe off any moisture on the lens from misty or foggy environments, using a dry cloth. Seal the lens in a
plastic bag with a desiccant (preferably new) to prevent moisture inside.
1. Canon is not liable for any damage arising from incorrect operation.
2. Regarding documentation or product quality or functionality, Canon makes no guarantees about marketability or
suitability for a particular purpose.
Moreover, Canon is not liable for any loss arising directly or indirectly from use for this purpose.
3. Canon makes no guarantees about results obtained from the product.
4. Product specifications, configurations, and appearance are subject to change without notice.
5. For information on service, maintenance, or adjustments not described in this manual, contact your Canon dealer or a
Canon representative listed below.
6. Note that service may not be available for products for which users have performed unauthorized modification.
CANON INC.
30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo
146-8501, Japan
Canon Europe Ltd
3 The Square, Stockley Park, Uxbridge, Middlesex,
UB11 1ET UK
MAINTENANCE AND INSPECTION
STORAGE
LEGAL NOTICES
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Inc.
Unauthorized copying or reproduction in whole or
part is prohibited.