Copier > Display > Ccd - Canon iR3245 Series Service Manual

Chapter 17
17.2.1.8 COPIER > DISPLAY > CCD
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
COPIER > DISPLAY > CCD
Item Level
TARGET-B 2
TARGET-G 2
TARGET-R 2
OFST-B 2
OFST-G 2
OFST-R 2
17-26
Description
Title Target value of shading for blue
Purpose When replacing the reader controller PCB, if the scanned image has some failure, check the target
value of shading for blue.
Note If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some problem on
reader controller PCB.
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 1 to 2047
Related service modes -
Additional description and -
notes
Title Target value of shading for green
Purpose When replacing the reader controller PCB, if the scanned image has some failure, check the target
value of shading for green.
Note If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some problem on
reader controller PCB.
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 1 to 2047
Related service modes -
Additional description and -
notes
Title Target value of shading for red
Purpose When replacing the reader controller PCB, if the scanned image has some failure, check the target
value of shading for red.
Note If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some problem on
reader controller PCB.
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 1 to 2047
Related service modes -
Additional description and -
notes
Title Adjustment value of offset level on CCD (blue)
Purpose To judge if this adjustment value is correct when an image fault attributed to CCD occurs.
Note -
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 0 to 255
Related service modes -
Additional description and -
notes
Title Adjustment value of offset level on CCD (green)
Purpose To judge if this adjustment value is correct when an image fault attributed to CCD occurs.
Note -
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 0 to 255
Related service modes -
Additional description and -
notes
Title Adjustment value of offset level on CCD (red)
Purpose To judge if this adjustment value is correct when an image fault attributed to CCD occurs.
Note -
Displays, settings and -
adjustment ranges
Unit -
Appropriate guideline 0 to 255
Related service modes -
Additional description and -
notes
T-17-6
0019-9276