I have error code number 11in my ricoh fw780 when i saw the service manual it asked me to look into the main switch or the main board please help me if i need to replace the main switch and hou to get it

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Detailed instructions for use are in the User's Guide.
FW780 Operating Instructions Zfah010e.eps Read this manual carefully before you use this product and keep it handy for future reference. For safety, please follow the instructions in this manual. RICOH COMPANY, LTD. 15-5, Minami Aoyama 1-chome, Minato-ku, Tokyo 107-8544, Japan Phone: +81-(0)3-3479-3111 FW780 Operating Instructions Overseas Affiliates U.S.A. RICOH CORPORATION 5 Dedrick Place West Caldwell, New Jersey 07006 Phone: +1-973-882-2000 The Netherlands RICOH EUROPE B.V. Groenelaan 3, 1186 AA, Amstelveen Phone: +31-(0)20-5474111 United Kingdom RICOH UK LTD. Ricoh House, 1 Plane Tree Crescent, Feltham, Middlesex, TW13 7HG Phone: +44-(0)20-8261-4000 Germany RICOH DEUTSCHLAND GmbH Mergenthalerallee 38-40, 65760 Eschborn Phone: +49-(0)6196-9060 France RICOH FRANCE S.A. 383, Avenue du Général de Gaulle BP 307-92143 Clamart Cedex Phone: +33-(0)-821-01-74-26 Spain RICOH ESPAñA S.A. Avda. Litoral Mar, 12-14, 08005 Barcelona Phone: +34-(0)93-295-7600 Italy RICOH ITALIA SpA Via della Metallurgia 12, 37139 Verona Phone: +39-045-8181500 Hong Kong RICOH HONG KONG LTD. 21/F., Tai Yau Building, 181, Johnston Road, Wan Chai, Hong Kong Phone: +852-2862-2888 Singapore RICOH ASIA PACIFIC PTE.LTD. 260 Orchard Road, #15-01/02 The Heeren, Singapore 238855 Phone: +65-830-5888 Printed in Japan AE AE B048-8608 Introduction This manual contains detailed instructions on the operation and maintenance of this machine. To get maximum versatility from this machine all operators should carefully read and follow the instructions in this manual. Please keep this manual in a handy place near the machine. Please read the Safety Information before using this machine. It contains important information related to USER SAFETY and PREVENTING EQUIPMENT PROBLEMS. Notes: Some illustrations might be slightly different from your machine. Certain options might not be available in some countries. For details, please contact your local dealer. Warning: Use of controls or adjustment or performance of procedures other than those specified in this manual might result in hazardous radiation exposure. Two kinds of size notation are employed in this manual. With this machine refer to the metric version. For good copy quality, Ricoh recommends that you use genuine Ricoh toner. Ricoh shall not be responsible for any damage or expense that might result from the use of parts other than genuine Ricoh parts in your Ricoh office product. Power Source 220V - 240V, 50/60Hz, 7A Please be sure to connect the power cord to a power source as above. For details about power source, P.76 "Power connection" Where symbols are used on or near switches, they mean an under in accordance with IEC 60417: a means POWER ON. c means STAND BY. Copyright © 2001 Ricoh Co., Ltd. Safety Information When using your equipment, the following safety precautions should always be followed. Safety During Operation In this manual, the following important symbols are used: R WARNING: Indicates a potentially hazardous situation which, if instructions are not followed, could result in death or serious injury. R CAUTION: Indicates a potentially hazardous situation which, if instructions are not followed, may result in minor or moderate injury or damage to property. i R WARNING: · Connect the power cord directly into a wall outlet and never use an extension cord. · Only connect the machine to the power source described on the inside front cover of this manual. · Avoid multi-wiring. · Do not damage, break or make any modifications to the power cord. Do not place heavy objects on it, pull it hard or bend it more than necessary. These actions could cause an electric shock or fire. · Do not plug or unplug the power cord with your hands wet. Otherwise, an electric shock might occur. · Disconnect the power plug (by pulling the plug, not the cable) if the power cable or plug becomes frayed or otherwise damaged. · Make sure the wall outlet is near the machine and freely accessible so that in event of an emergency it can be unplugged easily. · Turn off the power and disconnect the power plug (by pulling the plug, not the cable) if any of the following conditions exists: · You spill something into the equipment. · You suspect that your equipment needs service or repair. · Your equipment's cover has been damaged. · Do not take apart or attempt any modifications to this machine. There is a risk of fire, electric shock, explosion or loss of sight. If the machine has laser systems, there is a risk of serious eye damage. · To avoid hazardous electric shock or laser radiation exposure, do not remove any covers or screws other than those specified in this manual. · Some parts of the machine are at a high voltage and could give you an electric shock. Also, if the machine has laser systems, direct (or indirect) reflected eye contact with the laser beam may cause serious eye damage. When the machine needs to be checked, adjusted, or repaired, contact your service representative. · Do not keep using the machine with a fault or defect. Contact your service representative. · If the machine looks damaged or breaks down, smoke is coming out, there is a strange smell or anything looks unusual, immediately turn off the operation and main power switches then unplug the power cord from the wall. Do not continue using the machine in this condition. Contact your service representative. · Do not put any metal objects or containers holding water (e.g. vases, flowerpots, glasses) on the machine. If the contents fall inside the machine, a fire or electric shock could occur. · Do not incinerate spilled toner or used toner. Toner dust might ignite when exposed to an open flame. · Disposal can take place at our authorized dealer or at appropriate collection sites. · Dispose of the used toner cartridge in accordance with the local regulation. ii R CAUTION: · When you pull out the plug from the socket, grip the plug to avoid damaging the cord and causing fire or electric shock. · Unplug the power cord from the wall outlet before you move the equipment. While moving the equipment, you should take care that the power cord will not be damaged under the equipment. · When the machine will not be used for a long time, unplug the power cord. · If you use the machine in a confined space, make sure there is a continuous air turnover. · Keep the machine away from humidity and dust. A fire or an electric shock might occur. · Do not place the machine on an unstable or tilted surface. If it topples over, it could cause injury. · After you move the machine, fix it with the caster fixture. Otherwise, the machine might move or come down to cause a personal injury. · Protect the equipment from dampness or wet weather, such as rain, snow, and so on. · Do not allow paper clips, staples, or other small metallic objects to fall inside the equipment. · Do not reuse stapled paper. Do not use aluminum foil, carbon-containing paper or other conductive paper. Otherwise, a fire might occur. · Do not eat or swallow toner. · Keep toner (used or unused) and toner bottle out of the reach of children. · For environmental reasons, do not dispose of the equipment or expended supply waste at household waste collection points. Disposal can take place at an authorized dealer or at appropriate collection sites. · When removing misfed paper, do not touch the fusing section because it could be very hot. · Do not touch the anti-humidity switch from inside the machine because it could be very hot. · The inside of the machine could be very hot. Do not touch the parts with a label indicating the "hot surface". Otherwise it could cause a personal burn. · Rolls of paper can be heavy, so you should be careful when loading one. · This machine has been tested for safety using this supplier's parts and consumables.