Canon imageRUNNER ADVANCE C3330 Series Service Manual page 759

COPIER (Service mode for copier) > ADJUST (Adjustment mode) > V-CONT
VBACK-Y
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
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-C
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
2 Adj Y-color fog removal potential:1/1SPD
To adjust the offset of the fogging removal potential Vback for Y-color at 1/1 speed.
As the value is changed by 1, the fogging removal potential is changed by 10 V.
+: Fogging is alleviated, but white/black spots are increased.
-: White/black spots are alleviated, but fogging is increased.
When an image failure (fogging, white/black spots due to carrier adherence) occurs at 1/1 speed
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Execute auto gradation adjustment (full adjustment).
Do not use this when the machine is operating correctly.
-5 to 5
V
0
COPIER> ADJUST> V-CONT> VBACK-M/C/K
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
10
2 Adj M-color fog removal potential:1/1SPD
To adjust the offset of the fogging removal potential Vback for M-color at 1/1 speed.
As the value is changed by 1, the fogging removal potential is changed by 10 V.
+: Fogging is alleviated, but white/black spots are increased.
-: White/black spots are alleviated, but fogging is increased.
When an image failure (fogging, white/black spots due to carrier adherence) occurs at 1/1 speed
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Execute auto gradation adjustment (full adjustment).
Do not use this when the machine is operating correctly.
-5 to 5
V
0
COPIER> ADJUST> V-CONT> VBACK-Y/C/K
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
10
2 Adj C-color fog removal potential:1/1SPD
To adjust the offset of the fogging removal potential Vback for C-color at 1/1 speed.
As the value is changed by 1, the fogging removal potential is changed by 10 V.
+: Fogging is alleviated, but white/black spots are increased.
-: White/black spots are alleviated, but fogging is increased.
When an image failure (fogging, white/black spots due to carrier adherence) occurs at 1/1 speed
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Execute auto gradation adjustment (full adjustment).
Do not use this when the machine is operating correctly.
-5 to 5
V
0
COPIER> ADJUST> V-CONT> VBACK-Y/M/K
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
10
747
8. Service Mode