Canon imageRUNNER ADVANCE 4551i Service Manual page 679

COPIER > ADJUST > CCD
MTF-S12 1
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Default Value
Related Service Mode
Amount of Change per
Unit
DFCH2K2 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
Amount of Change per
Unit
DFCH2K10 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
Amount of Change per
Unit
MTF value 12 entry:vert scan, back side
To enter the setting value 12 for calculating MTF filter coefficient in vertical scanning direction of
the Scanner Unit (for back side).
Enter the value of service label on the Reader.
- When replacing the Scanner Unit
- When replacing the Reader Controller PCB/clearing RAM data
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
20 to 85
50
COPIER> FUNCTION> CCD> MTF-CLC
1
Complex chart No.2 data (B&W) entr: frt
To derive the front/back side linearity, enter the B&W data on the front side of No.2 image in DADF
complex chart.
Enter the value of service label on the Reader.
The setting of this item is enabled only when the DADF (1-path model) is installed.
When replacing the Reader Controller PCB/clearing RAM data
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
When the Copyboard or DADF (reverse model) is installed, the setting of this item is disabled.
1 to 2550
2000
1
Complex chart No.10 data (B&W) entr: frt
To derive the front/back side linearity, enter the B&W data on the front side of No.10 image in
DADF complex chart.
Enter the value of service label on the Reader.
The setting of this item is enabled only when the DADF (1-path model) is installed.
When replacing the Reader Controller PCB/clearing RAM data
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
When the Copyboard or DADF (reverse model) is installed, the setting of this item is disabled.
0 to 2550
0
1
666
8. Service Mode