Installing a Hard Disk9-26Installing the Optional Accessories95 Remove the slot cover.IMPORTANT• Do not touch the main board parts, printed wire, or connectors with your hands.• When installing the hard disk, be careful so that any metal objects such as screwsdo not touch the main board.• Do not drop screws, paper clips, staples, or other metal objects inside the printer. Ifany of these objects should drop inside the printer, do not plug the power plug intothe AC power outlet and contact your local authorized Canon dealer.• Do not turn the printer ON without the rear cover or slot cover attached. This mayresult in damage to the printer.ba