Canon imageRUNNER ADVANCE C2020, Service Handbook

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CHAPTER 2 STANDARDS AND ADJUSTMENTS
2-9R
6) Put the machine back into its initial state. (Keep the reader unit front lower cover re-
moved.)
7) Connect the power plug, and turn on the main power switch.
8) Execute FUNCTION>CLEAR-R-CON in service mode. At the end of the mode, the
power will automatically turn off.
9) Turn on the main power.
10) Enter the values of all items indicated on the service label attached to the reader unit
front lower cover.
In particular, the wrong setting of OPTION>BODY>EC-GLASS (indicat-
ing the type of copyboard glass, i.e., the use of an EC coat) will affect the
hues of images. Pay extra attention.
11) Execute adjustment of the scanning lamp light intensity.
12) Mount the reader unit front lower cover.
13) Execute auto gradation correction in user mode.
14) Execute head shading in user mode.
3.3 When Replacing the AP-IP PCB
There is no particular work to perform for replacement.
REF.
FUNCTION>CCD>CCD-ADJ is automatically executed at power-on.
3.4 When Replacing the ECO PCB
There is no particular work to perform for replacement.
3.5 When Replacing the Light Intensity Detection PCB
1) Mount the new light intensity detection PCB, and put the machine back into its initial
condition. (Keep the reader unit front lower cover removed.)
2) Execute adjustment of the scanning lamp light intensity.
3) Mount the reader unit front lower cover.
4) Execute auto gradation correction in user mode.