Samsung ML-1440 Service Manual - Page 84

Precautions 1. Precautions Please read the following carefully to prevent any accidents and not to damage the unit during service. 1-1 Safety Precautions Read each caution carefully: 1. Do not use this printer near water or when exposed to inclement weather. 2. Do not place this printer on an unstable cart, stand or table; the product may fall, causing serious damage to the product. 3. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation and to protect the printer from ever heating, do not block or cover any of these openings. Do not place the printer in an enclosure unless the enclosure provides adequate ventilation. 4. Never push objects of any kind into the printer through the cabinet ventilation slots as they may touch dangerous high voltage points, create short circuits, cause a fire, or produce an electrical shock. Never spill liquid of any kind on the printer. 5. Do not place the printer in a location where someone may trip on the cords. 6. Select a work surface that is large enough to hold the printer. 7. Position the printer within six feet of the computer and within five feet of an electrical outlet. 8. Operate this printer using the power source (110V, 220V, etc) indicated on the marking label. If you are not sure of the type of power source available, consult your dealer or local power company. 9. If you need to use an extension power cord with this printer, make sure that it uses a three-wire grounded cord and that the total ampere ratings for all of the products using the extension do not exceed the extension cord ampere rating. Also, make sure that the total of all products plugged into the wall outlet does not exceed 15 ampere. 10. Do not allow anything to rest on the power cord or data communications cable. 11. Unplug this printer from the wall outlet before cleaning. Do not use liquid cleaners or aerosol sprays. Use a damp cloth for cleaning. 12. Do not touch the surface of the photo-sensitive drum as marks or scratches may impair print quality. 13. Do not expose the drum unit to direct light for prolonged periods. 14. Use only standard papers, OHP films, and approved envelopes. Feed OHP films though the manual feed slot only. See specifications for approved papers and envelopes. 15. Other than replacing consumables such as paper and toner, refer all questions to qualified service personnel. Especially mind the safety on the part with this mark. You must use regular parts described in specifications for the parts inflammable and where the current can be flown. Otherwise any hazard such as an electric shock or a fire could occur. LASER STATEMENT (LASERTURVALLISUUS) WARNING : NEVER OPERATE AND SERVICE THE PRINTER WITH THE PROTECTIVE COVER REMOVED FROM LASER/SCANNER ASSEMBLY. THE REFLECTIVE BEAM, ALTHOUGH INVISIBLE, CAN DAMAGE YOUR EYES. Class 1 laser product Luokan 1 laserlaite Klass 1 laser apparat Allonpituus 770-795nm Teho 0.3mW±0.03mW CAUTION VORSICHT INVISIBLE LASER RADIATION WHEN THIS COVER OPEN. DO NOT OPEN THIS COVER. UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEOFFNET. NIGHT DEM STRAHL AUSSETZEN. ATTENTION REYONNEMENT LASER INVISIBLE EN CAS D'OUVERTURE. EXPOSITION DANGERUSE AU FAISCEAU. ATTENZIONE RADIAZIONE LASER INVISIBLE IN CASO DI APERTURA. EVITARE L'ESPOSIZONE LA FASCIO. PRECAUCION REDIACION LASER INVISIBLE CUANDO SE ABRE. EVITAR EXPONERSE AL RAYO. CAUTION : Avoid exposure to invisible laser radiation when the development unit is not installed. Samsung Electronics 1-1