Canon iR7086, Service Manual

Page: 621 / 735

Chapter 17
17-33
<AE>
T-17-16
<ADJ-XY>
Image Reading Start Position Adjustment
T-17-17
<CCD>
T-17-18
COPIER > ADJUST > AE
Sub item Description Level
AE-TBL Use it to adjust the character density for image density adjustment.
1
range: 1 to 9
A higher setting will increase the density of characters.
A lower setting will decrease the density of characters.
Be sure to enter the value indicated on the service label if you have initialized the RAM on the reader controller PCB.
COPIER > ADJUST > ADJ-XY
*: model equipped with DADF-Q1 (outside Japan: iR7105/7095; inside Japan: All model).
**: model equipped with DADF-M1 (outside Japan: iR7086).
Sub item Description Level
Use it to adjust the image read start position.
Be sure to enter the value indicated on the service label if you have replaced the reader controller PCB or initialized the RAM.
ADJ-X Use it to adjust the image read start position (image lead edge) in sub scanning direction.
1
range: 1 to 423 * / 1 to 2970 **
An increase by '1' will shift the image read start position by 0.1 mm toward the trail edge.
ADJ-Y Use it to adjust the image read start position (horizontal registration) in main scanning direction.
1
range: 1 to 423 * / 0 to 1000 **
An increase by '1' will shift the image read start position by 0.1 mm toward the front.
ADJ-S Use it to adjust the shading correction data measurement position.
1 range: 20 to 500 * / 0 to 4 **
A change by '1' will increase the image read start position by 0.1 toward the front.
ADJ-Y-DF main scanning position adjustment or ADF stream reading
1
range: 1 to 423 * / 0 to 1000 **
A change by '1' will increase the image read start position by 0.1 toward the front.
STRD-POS ** Use it to adjust the CCD read position for ADF stream reading mode.
1
range: 1 to 200
The image reading position shifts to 1mm to the left with each 1 setting value larger.
ADJ-Y-FX * Use it to adjust the main scanning position for ADF fixed reading mode.
1
range: 1 to 423
A change by '1' will shift the image read start position by 0.1 mm toward the front.
ADJ-X-MG Use it to fine-adjust the sub scanning magnification for copyboard mode.
1
range: -50 to +50 (unit: 0.01%)
COPIER > ADJUST > CCD
*: model equipped with DADF-Q1 (outside Japan: iR7105/7095; inside Japan: All model).
**: model equipped with DADF-M1 (outside Japan: iR7086).
Sub item Description Level
CCD, shading-related adjustment
SH-TRGT Use it to enter the white level target value for shading correction.
1
Procedure
Execute the following: COPIER > FUNCTION > CCD > CCD-ADJ, LUT-ADJ (LUT-ADJ2). Thereafter, if an image fault occurs,
enter the value indicated on the service label.
range: 1 to 2043