There is a plug installed in the EXT port of the printer. This plug is necessary for the proper functioning of theprinter.Note: Do not remove the plug. If you remove it, other telecommunications devices in your home (such as telephonesor answering machines) may not work.Connecting directly to a telephone wall jack in GermanyConnect the printer directly to a telephone wall jack to send and receive faxes without using a computer.Note: In Germany (and some other countries), the printer ships with a special RJ-11 plug in the EXT port. Do notremove the RJ-11 plug. It is required for both the fax and telephone to work properly.1 Make sure you have a telephone cord (provided with the product) and a telephone wall jack.2 Connect one end of the telephone cord into the LINE port of the printer.3 Connect the other end of the telephone cord into the N slot of an active telephone wall jack.Additional printer setup63