Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 668 / 987

COPIER (Service mode for copier) > ADJUST (Adjustment mode) > COLOR
PH-OFS-K 2 Adj Bk-clr hi dens area clr balance: PDL
Detail To adjust the color balance of the high density area of Bk-color at PDL print.
As the value is larger, the image gets darker.
In case of data generated by the printer driver and stored in Mail Box, a value obtained by adding
the value adjusted in [Fine Adjust Density] in [Access Stored Files] to the setting value of this item
is applied as the actual density value.
e.g.: When the value of this item is "-4" and the value of [Fine Adjust Density] is "5", the density
value is "1".
Note that the density value must be within the rage from -8 to 8.
e.g.: When the value of this item is "7" and the value of [Fine Adjust Density] is "5", the density
value is "8".
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.
Display/Adj/Set Range -8 to 8
Default Value 0
Additional Functions
Mode
Access Stored Files> Mail Box> Print> Change Print Settings> Options> Color Balance> Fine
Adjust Density
■ HV-TR
COPIER (Service mode for copier) > ADJUST (Adjustment mode) > HV-TR
1TR-TGY 2 Y pry trn ATVC tgt crrnt:pln/rcycl1,2
Detail To adjust the offset of the target current value for Y-color upon primary transfer ATVC control for
plain paper 1, 2/recycled paper 1, 2 (which paper width is A4 or larger).
Increase the value when spots, mottled image, or image failure due to insufficient transfer current
occurs.
Decrease the value when image fogging due to transfer memory or drum memory due to strong
transfer current occurs.
Use Case
When an image failure due to the primary transfer occurs
Adj/Set/Operate Method
Enter the setting value (switch negative/positive by -/+ key) and press OK key.
Display/Adj/Set Range
-50 to 50
Unit
uA
Default Value
0
Related Service Mode COPIER> ADJUST> HV-TR> 1TR-TGY3
Supplement/Memo For iR-ADV C250 series, adjustment results by 1TR-TGY and 1TR-TGY3 are linked with each
other so that their values are the same.
Amount of Change per
Unit
1
8. Service Mode
657