Epson WorkForce ST-M3000 Monochrome MFP Supertank Printer - Manual (Page 173)

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1. Connect a phone cable to your telephone wall jack and to the LINE port on your product.
Note: If you have a DSL or ISDN connection, you must connect the appropriate DSL filter, or ISDN
terminal adapter or router to the wall jack to be able to use the line for faxing or voice calls using your
product. Contact your DSL or ISDN provider for the necessary equipment.