Canon ir2016, ir2020 マニュアル

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Chapter 2
3
Chapter 2  Standards and 
Adjustments
2.1 Scanning System
2.1.1 Procedure after Replacing the CIS
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After replacing the contact image sensor (CIS), go through the following
steps to perform inter-channel output correction:
1) Enter the service mode.
Sequentially press the User Mode key "
", 2 key, 8 key, and User Mode
key "
" on the operation panel.
2) Using the arrow keys on the operation panel, display "TEST MODE".
3) Press the OK key. 
4) Press the 2 key. "SCAN TEST" appears.
5) Press the 1 key.
After completion of the above steps, contact sensor output correction will be
performed and parameters will be set automatically.
2.2 Image Formation System
2.2.1 Procedure after Replacing the Developing 
Assembly
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<Going through the Developer Idling Mode>
After replacing the developing assembly, go through the following steps
in the developing assembly idle rotation mode before installing the toner car-
tridge.
1) Plug the power cord into the outlet.
2) Open the front cover.
3) With the front cover open, turn on the main power switch.
4) When a message appears on the operation panel display, press the
following keys to enter the service mode:
Additional Functions key > 2 key > 8 key > Additional Functions key
5) Select "#PRINT" using the + or - key, and then press the OK key. 
6) Select "#PRINT SW" using the + or - key, and hen press the OK key.
Confirm that the following message is displayed:
Message: #PRINT SW 001 00000000
7) Press the following keys and confirm the message:
# key > 1 key > 1 key
Message: #PRINT SW 011 00000000
8) Position the cursor to Bit-1 (second from right) using the + or - key, and
press the 1 key, and then confirm the following message:  
Message: #PRINT SW 011 00000010
9) Press the OK key. Confirm that "SW 011" changes to "SW 012".
Message: #PRINT SW 012 00000000
10) Press the Reset key to exit the service mode.
11) Close the front cover. The machine will run in the developer idling mode
for about 1 minute.
12) When the machine stops, the idling mode ends.
Install, the toner cartridge following the above-mentioned procedure.
2.3 Electrical Components
2.3.1 Procedure after Replacing the Image Processor 
PCB 
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After replacing the image processor PCB with a new one, input the all value
printed on the service label affixed to the rear cover.
Make the following adjustments:
- Correction of output between CIS channels 
1) Enter the service mode.
Sequentially press the User Mode key "
", 2 key, 8 key, and User Mode
key "
" on the operation panel.
2) Using the arrow keys on the operation panel, display "TEST MODE".
3) Press the OK key. 
4) Press the 2 key. "SCAN TEST" appears.
5) Press the 1 key.
After completion of the above steps, contact sensor output correction will be
performed and parameters will be set automatically.
- Read position adjustment (Stream reading: Only when the ADF is installed)
1) Enter the service mode.
Press the User Mode key "
", 2 key, 8 key, User Mode key "
" on the
operation panel of the host machine. 
2) Using the arrow keys on the operation panel, display "TEST MODE".
3) Press the OK key.
4) Press the 2 key. "SCAN TEST" appears.
5) Press the 3 key. "SHEET POS ADJ" appears.
The optical system starts scanning. Several seconds later, automatic adjust-
ment of the reading position finishes and "OK" appears.
If automatic adjustment fails, "NG" appears. Perform the following pro-
cedure:
Clean the white roller of the DADF and the document glass of the host ma-
chine, and then retry auto adjustment.