4 OKIOFFICE 87 Setup GuideOperation and Maintenance- Aside from the instructions specifically stipulated in the handbook,do not attempt to disassemble or service this machine, including thelubrication of moving parts. Please contact an authorized servicecenter for assistance.- Use a soft dry cloth to clean the control panel and main body of theunit. Do not apply any cleanser to the cloth or surface of the ma-chine.- Remove the power cord from the wall socket before trying to re-cover any object(s) that may have fallen into the machine.- If the machine is physically damaged, immediately disconnect it andarrange for its repair or disposal.- When moving the machine, always disconnect the telephone linebefore disconnecting the power cord. Accordingly, reconnect thepower cord before reconnecting the telephone line.- This machine is not intended for use in parallel with any othertelephone devices.Toner Cartridge and Image Drum UnitWarning: This OKI facsimile machine will not operate if any tonercartridge or image drum unit other than that specified byOKI is installed. Please be sure to read the labeling onthe toner package and image drum unit package toensure that you have purchased the correct cartridge orunit. The installation of any other toner cartridge orimage drum unit will cause the system to lock, and theoperations panel will display an error.- Leave unused toner cartridges and image drum units sealed in theirpackaging until needed. When replacing a toner cartridge or imageunit, re-use the packaging to dispose of the old toner cartridge orimage drum unit.- Do not expose interior components of the machine to light for morethan five minutes. Never expose the green drum (located inside theimage drum unit) to direct sunlight.- Please be careful when handling the image drum unit and onlytouch it at the ends (never in the middle). Never touch the greendrum inside the image drum unit.