Canon MF4690 Service Manual - Page 141
Outline - firmware
UPC - 013803076820
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14.1 Outline Chapter 14 14.1.1 Outline of Service Mode 0016-1999 Service Mode contains the following service data items. Each service data can be viewed or modified using the menu items displayed on the screen. #SSSW Use it to register/set basic fax functions (e.g., error control, echo remedy, communication error correction). Use it to make settings related counter functions. #MENU Use it to register/set items related to functions needed at time of installation (e.g., NL equalizer, transmission level). #NUMERIC These setting items are for inputting numeric parameters such as the various conditions for the RTN signal transmission. #SPECIAL These setting items are for telephone network control functions. #NCU These setting items are for telephone network control functions such as the selection signal transmission conditions and the detection conditions, for the control signals sent from the exchange. #FAX Do not use. #SCAN These setting items are for image adjustment in scanning. #PRINT These setting items are for image adjustment in printer assembly and for special mode for the field-related measures. #NETWORK Do not use. #CODEC Do not use. #SYSTEM These are used for the import/export of user information through USB. #ACC Do not use. #COUNTER Use it to check estimates for maintenance/parts replacement. #REPORT Use it to generate reports on various service data. #DOWNLOAD Use it to download firmware to the ROM of a PCB in question. #CLEAR Use it to reset various data to initial settings. #ERROR DISPLAY An error code is displayed when a service error has occurred. #ROM Displays ROM information, such as version numbers and checksums. #TEST MODE Makes various status checks, such as contact sensor, sensor and print status. 14-1