Canon imageRUNNER ADVANCE C5500 Series Service Manual page 835

COPIER > ADJUST > V-CONT
VBACK-Y 2
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
Additional Functions
Mode
Amount of Change per
Unit
VBACK-M 2
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
Additional Functions
Mode
Amount of Change per
Unit
Adj Y-color fogging removal potential
To adjust the offset of the fogging removal potential Vback for Y-color.
A value obtained by adding the value adjusted in [Correct Color Cast] in [Settings/Registration] to
the setting value of this item is applied as the correction value.
As the value is changed by 1, the fogging removal potential is changed by 1 V.
+: Fogging, blanking of image edge, and carrier adherence are alleviated.
-: Coarseness, blanking of image edge, and carrier adherence are alleviated.
When Y-color fogging occurs
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
3) Execute auto gradation adjustment (full adjustment).
Do not use this when the machine is operating correctly.
-10 to 10
V
0
COPIER> ADJUST> V-CONT> VBACK-M/C/K
Adjustment/Maintenance> Adjust Image Quality> Correct Color Cast
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
5
Adj M-color fogging removal potential
To adjust the offset of the fogging removal potential Vback for M-color.
A value obtained by adding the value adjusted in [Correct Color Cast] in [Settings/Registration] to
the setting value of this item is applied as the correction value.
As the value is changed by 1, the fogging removal potential is changed by 1 V.
+: Fogging, blanking of image edge, and carrier adherence are alleviated.
-: Coarseness, blanking of image edge, and carrier adherence are alleviated.
When M-color fogging occurs
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
3) Execute auto gradation adjustment (full adjustment).
Do not use this when the machine is operating correctly.
-10 to 10
V
0
COPIER> ADJUST> V-CONT> VBACK-Y/C/K
Adjustment/Maintenance> Adjust Image Quality> Correct Color Cast
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
5
821
8. Service Mode