Chapter 1414-114.1 Outline14.1.1 Outline of Service Mode 0016-1999Service Mode contains the following service data items. Each service data can be viewed or modified using the menu items displayed on the screen.#SSSWUse it to register/set basic fax functions (e.g., error control, echo remedy, communication error correction).Use it to make settings related counter functions.#MENUUse it to register/set items related to functions needed at time of installation (e.g., NL equalizer, transmission level).#NUMERICThese setting items are for inputting numeric parameters such as the various conditions for the RTN signal transmission.#SPECIALThese setting items are for telephone network control functions.#NCUThese setting items are for telephone network control functions such as the selection signal transmission conditions and the detection conditions, for thecontrol signals sent from the exchange.#FAXDo not use.#SCANThese setting items are for image adjustment in scanning.#PRINTThese setting items are for image adjustment in printer assembly and for special mode for the field-related measures.#NETWORKDo not use.#CODECDo not use.#SYSTEMThese are used for the import/export of user information through USB.#ACCDo not use.#COUNTERUse it to check estimates for maintenance/parts replacement.#REPORTUse it to generate reports on various service data.#DOWNLOADUse it to download firmware to the ROM of a PCB in question.#CLEARUse it to reset various data to initial settings.#ERROR DISPLAYAn error code is displayed when a service error has occurred.#ROMDisplays ROM information, such as version numbers and checksums.#TEST MODEMakes various status checks, such as contact sensor, sensor and print status.