– –3-6. Connecting to a Peripheral UnitYou can connect a peripheral unit to the printer using a modular plug. See “Modular plug” onpage for details about the type of modular plug that is required. Note that this printer doesnot come with a modular plug or wire, so it is up to you to obtain one that suits your needs.CAUTIONMake sure that the printer is turned off and unplugged from the AC outlet and that the computeris turned off before making connections.() Connect the peripheral drive cable to the connector on the rear panel of the printer.CAUTIONDo not connect a telephone line into the peripheral drive connector. Failure to observe this mayresult in damage to the printer.Also, for safety purposes, do not connect wiring to the external drive connector if there is achance it may carry peripheral voltage.() Connect the ground wire. (Europe only)Take out the screw shown in the figure below, then fasten the ground wire terminal to theplace where the screw was removed and tighten the screw.