Canon imageRUNNER 2545 Series Service Manual Digest page 58

Note:
Be sure to enter the value on service label when replacing the CCD unit.
Be sure to enter the numeric value on copyboard glass when replacing the copyboard
glass.
If changing the setting value of this item, be sure to write down the changed value on
the service label.
● (#SCAN> READER> ADJUST> CCD> SH-TRGT)
Shading target value of the standard white plate (backup)
This item must not be normally used.
● (#SCAN> READER> ADJUST> CCD> 50_RG)
Color displacement (G-R) offset value display at BOOK mode/50% scanning
(#SCAN> READER> ADJUST> CCD> 50_GB)
●
Color displacement (G-B) offset value display at BOOK mode/50% scanning
● (#SCAN> READER> ADJUST> CCD> 100_RG)
Color displacement (G-R) offset value display at BOOK mode/100% scanning
● (#SCAN> READER> ADJUST> CCD> 100_GB)
Color displacement (G-B) offset value display at BOOK mode/100% scanning
This item must not be normally used.
Note:
Be sure to enter the value on service label when executing RAM clear of the reader
controller PCB/replacing the reader controller PCB.
If changing the setting value of this item, be sure to write down the changed value on
the service label.
● (#SCAN> READER> ADJUST> CCD> 50DF_RG)
Color displacement (G-R) offset value display at ADF mode/50% scanning
● (#SCAN> READER> ADJUST> CCD> 50DF_GB)
Color displacement (G-B) offset value display at ADF mode/50% scanning
● (#SCAN> READER> ADJUST> CCD> 100DF_RG)
Color displacement (G-R) offset value display at ADF mode/100% scanning
● (#SCAN> READER> ADJUST> CCD> 100DF_GB)
Color displacement (G-B) offset value display at ADF mode/100% scanning
This item must not be normally used.
Note:
Be sure to enter the value on service label when executing RAM clear of the reader
controller PCB/replacing the reader controller PCB.
If changing the setting value of this item, be sure to write down the changed value on
the service label.
● (#SCAN> READER> ADJUST> CCD> DFTAR-R)
Shading target value (RED) entry when using DF (normal document scanning position)
● (#SCAN> READER> ADJUST> CCD> DFTAR-G)
Shading target value (GREEN) entry when using DF (normal document scanning position)
(#SCAN> READER> ADJUST> CCD> DFTAR-B)
●
Shading target value (BLUE) entry when using DF (normal document scanning position)
This item must not be normally used.
(#SCAN> READER> ADJUST> CCD> CCD-CHNG)
●
CCD replacement flag
Set this mode when CCD replacement is completed.
(#SCAN> READER> ADJUST> CCD> DFTAR-K)
●
Black shading target value when using DF
This item must not be normally used.
In case of image fault (due to chart soil, etc) after executing: SCAN > READER > FUNCTION
> CCD > DFWLVL1/ DF-WLVL2; enter the factory measurement value using this mode.
● (#SCAN> READER> ADJUST> CCD> MTF3-M1)
MTF setting value for R in horizontal scanning direction (front)
● (#SCAN> READER> ADJUST> CCD> MTF3-M2)
MTF setting value for R in horizontal scanning direction (center)
4
4-25