Setting Of Bit Switch (Sssw); Outline; Bit Switch Composition; Sssw-Sw01 - Canon iR2020 Series Service Manual

Chapter 14
*1 Only for the iR2020i/iR2016 model.
#ROM
Item
MAIN
MAIN2
OPROM
ECONT
#TEST MODE [1] - [9]
Item
(1) DRAM [1] - [2]
(2) SCAN TEST [1] - [8]
(3) PRINT TEST [1] - [9]
(4) MODEM TEST [1] - [9]
(5) AGING TEST
(6) FACULTY TEST [1] - [9]
(0) ROLLER CLEAN

14.3 Setting of Bit Switch (SSSW)

14.3.1 Outline

14.3.1.1 Bit Switch Composition

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
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.
Do not change service data identified as "not used"; they are set as initial settings.

14.3.2 SSSW-SW01

14.3.2.1 List of Functions

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Bit
0
1
2
3
4
5
6
7

14.3.2.2 Detailed Discussions of Bit 0

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Selects whether or not service error codes are output.
When output is selected, service error codes is report.

14.3.3 SSSW-SW03

14.3.3.1 List of Functions
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Bit
0
1
14-8
Function
Use it to indicate the version of the ROM (SYSTEM) on the image processor PCB.
Use it to indicate the version of the ROM (BOOT) on the image processor PCB.
Use it to indicate the version of option ROM.
Use it to indicate the version of the ROM on the DC controller PCB.
Function
Data check in D-RAM
CS automatic correction and document scan position adjustment
Output of test prints
modem/NCU related tests
not used
Various functional tests
Printer and ADF roller cleaning
#SSSW
0
001
Function
service error code
not used
not used
not used
not used
not used
not used
not used
Function
not used
not used
0 0 0 0 0 0 0
F-14-3
T-14-1
1
output
-
-
-
-
-
-
-
T-14-2
1
-
-
0
not output
-
-
-
-
-
-
-
0
-
-
0011-1732
0011-1735
0011-1736
0011-1737