Ricoh AC205 Service Manual - Page 22

ASSEMBLY/DISASSEMBLY PRECAUTIONS Replace with approved replacement parts only. Take care to note the exact location of components and correct cable routing before you disassemble any part of the machine. Ensure all parts and cables are replaced correctly. Perform the following procedures before you disassemble the machine or replace any parts: 1. Check the contents of the machine memory and make a note of any user settings. These will be erased if the main board or network card is replaced. 2. Ensure that power is disconnected before you service or replace any electrical parts. 3. Disconnect interface cables and power cables. 4. Use only approved spare parts. Ensure that part number, product name, voltages, current and/or temperature rating are correct. CAUTION1.TIF 5. When removing or re-fitting any parts, do not use excessive force (especially when fitting screws into plastic). 6. Take care not to drop any small parts into the machine. 7. Handling of the OPC Drum: • The OPC Drum can be damaged if it is exposed to light. • Take care not to expose the OPC Drum to direct sunlight, fluorescent, or incandescent Caution2.tif lighting. Exposure for as little as 5 minutes can damage the surface's photoconductive properties and will result in print quality degradation. Remove the OPC Drum and store it in a black bag or other lightproof container. Take care when working with the covers (especially the top cover), as light can be admitted to the OPC area and can damage the OPC Drum. • Take care not to scratch the green surface of OPC Drum. If the green surface of the OPC Drum is scratched or touched, the print quality will be compromised.