Canon ImageCLASS MF4690, Service Manual

Page: 141 / 182

Chapter 14
14-1
14.1 Outline
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.