
COPIER (Service mode for copier) > ADJUST (Adjustment mode) > V-CONT
VBACK3-C
2
Adj C fog remov potntl:excpt pln, rcycl
Detail
To adjust the offset of the fogging removal potential Vback for C-color when printing paper other
than plain paper 1, 2, 3/recycled paper 1, 2, 3.
+: Fogging is alleviated, but white/black spots are increased due to carrier adherence.
-: White/black spots are alleviated, but fogging is increased.
Use Case
When any image failure occurs in case of printing paper other than plain paper 1, 2, 3/recycled
paper 1, 2, 3
Adj/Set/Operate Method
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 Adjust Gradation> Full Adjust.
Caution
Do not use this when the machine is operating correctly.
Display/Adj/Set Range
-5 to 5
Unit
V
Default Value
0
Related Service Mode
COPIER> ADJUST> V-CONT> VBACK3-Y/M/K
Additional Functions
Mode
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
Adjustment/Maintenance> Adjust Image Quality> Correct Color Cast
Amount of Change per
Unit
5
VBACK3-K
2
Adj Bk fog remov potntl:excpt pln, rcycl
Detail
To adjust the offset of the fogging removal potential Vback for Bk-color when printing paper other
than plain paper 1, 2, 3/recycled paper 1, 2, 3.
+: Fogging is alleviated, but white/black spots are increased due to carrier adherence.
-: White/black spots are alleviated, but fogging is increased.
Use Case
When any image failure occurs in case of printing paper other than plain paper 1, 2, 3/recycled
paper 1, 2, 3
Adj/Set/Operate Method
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 Adjust Gradation> Full Adjust.
Caution
Do not use this when the machine is operating correctly.
Display/Adj/Set Range
-5 to 5
Unit
V
Default Value
0
Related Service Mode
COPIER> ADJUST> V-CONT> VBACK3-Y/M/C
Additional Functions
Mode
Adjustment/Maintenance> Adjust Image Quality> Auto Adjust Gradation> Full Adjust
Adjustment/Maintenance> Adjust Image Quality> Correct Color Cast
Amount of Change per
Unit
5
8. Service Mode
643
Summary of Contents for imageRUNNER ADVANCE C255 Series
Page 1: ...Revision 2 0 imageRUNNER ADVANCE C355 C255 Series Service Manual ...
Page 17: ...Product Overview 1 Product Lineup 7 Option 8 Features 11 Specifications 14 Parts Name 18 ...
Page 127: ...Periodical Service 3 Periodically Replacement Parts 117 Consumable parts 118 ...
Page 154: ...4 Remove the Screws 5x 5 Remove the Rear Cover 1 4 Parts Replacement and Cleaning 143 ...
Page 257: ...1 Free the Harness 1 Harness Guide A 1x 1 A 4 Parts Replacement and Cleaning 246 ...
Page 376: ...Error Jam Alarm 7 Overview 366 EError Code 369 Jam Code 457 Alarm Code 464 ...
Page 469: ...Host Machine Cassette PS12 PS11 PS01 PS04 PS05 PS14 PS10 PS101 7 Error Jam Alarm 458 ...
Page 490: ...85 0005 For R D A Operation B Cause C Remedy 7 Error Jam Alarm 479 ...
Page 890: ...4 4x TP M3x6 5 3x 6 2x TP M3x6 7 8 9 Installation 879 ...
Page 891: ...9 1x 10 1x 11 2x 12 4x 13 9 Installation 880 ...
Page 903: ...17 9 Installation 892 ...
Page 914: ...5 6 2x Screw w washer M3x14 7 4x TP M3x6 9 Installation 903 ...
Page 923: ...3 2x 4 Short 1x 5 1x NOTE The removed screw will be used in step 7 6 1x 9 Installation 912 ...
Page 930: ...9 10 11 1x 12 13 9 Installation 919 ...
Page 931: ...14 2x 15 16 2x 17 6x 18 4x 9 Installation 920 ...
Page 932: ... Installing the NFC kit C1 1 1x 2 1x 3 TP M3x4 1x 9 Installation 921 ...