A ppendix 87Returning Items for Warranty Repair or Credit1 Call Dell to obtain an authorization number, and write it clearly andprominently on the outside of the box.2 Include a copy of the invoice and a letter describing the reason for thereturn.3 Include any accessories that belong with the item(s) being returned(power cables, CDs, guides, and so on) if the return is for credit.4 Pack the equipment to be returned in the original (or equivalent)packing materials.You are responsible for paying shipping expenses. You are also responsiblefor insuring any product returned, and you assume the risk of loss duringshipment to Dell. Collect-on-delivery packages are not accepted.Returns that are missing any of the preceding requirements will be refusedat our receiving dock and returned to you.Regulatory InformationGeneral EMC Guidelinesï Shielded signal cables: Using shielded cables ensures that youmaintain the appropriate EMC classification for the intendedenvironment. For parallel printers, a cable is available from DellComputer Corporation. If you prefer, you can order a cable from DellComputer Corporation on the World Wide Web athttp://www.dell.com.ï Protecting against electrostatic discharge: static electricity can harmelectronic components inside your computer. To prevent staticdamage, discharge static electricity from your body before you touchany of your computerís electronic components, such as a memorymodule. You can do so by touching an unpainted metal surface on thecomputerís I/O panel.