Canon ImageCLASS MF4690 Service Manual - page 146
Chapter 14
14-6
14.3 Service Soft Switch Settings (SSSW)
14.3.1 Outline
14.3.1.1 Bit Switch Composition
0016-2001
The items registered and set by each of these switches comprise 8-bit switches. The figure below shows which numbers are assigned to which bits. Each bit has a
value of either 0 or 1.
#DOWNLOAD
Download mode
#CLEAR
Item
Level2
Function
TEL & USER DATA
Use it to clear all areas under user registration/setting.
SERVICE DATA
Use it to clear the counters (numerator), date, and start
data form the system dump list.
COUNTER
Use it to clear the maintenance counter data and each mode counter data.
SOFT-CNT
Not used.
TYPE
Use it to clear the user data and the service data by specified settings.
HST
ACTIVITY
Use it to clear the contents of the communications control
report.
ACCOUNT
Not used.
JAM
Not used.
ERR
Not used.
ALARM
Not used.
CARD
Not used.
ERR
E355
Not used.
E719
Not used.
PWD
Use it to clear the system administrator's password.
FILE SYSTEM
Delete unnecessary language files in the USB memory.
FORMAT
USB MEMORY
Format the USB memory. (This mode is used when the USB memory error is damaged and
E744 occurs.)
LICENSE DRIVE
Not used.
ALL
Use it to clear all settings/registration data except the
counter (denominator, numerator).
#ERROR DISPLAY
Not used.
#ROM
Item
Function
MAIN
Use it to indicate the version of the ROM (SYSTEM) on the SCNT board.
MAIN2
Use it to indicate the version of the ROM (BOOT) on the SCNT board.
OPROM
Not used.
ECONT
Use it to indicate the version of the ROM on the DCNT board.
#TEST MODE [1] - [9]
Item
Function
(1) DRAM [1] - [2]
Data check in D-RAM
(2) SCAN TEST [1] - [8]
CS automatic correction and document scan position adjustment
(3) PRINT TEST [1] - [9]
Output of test prints
(4) MODEM TEST [1] - [9]
modem/NCU related tests
(5) AGING TEST
not used
(6) FACULTY TEST [1] - [9]
Various functional tests
(0) ROLLER CLEAN
ADF roller cleaning