Canon imageRUNNER ADVANCE C5500 Series Service Manual page 965

COPIER > OPTION > IMG-MCON
PSCL-TBL 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
BGE-OFS 2
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
Additional Functions
Mode
DITH-FB 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
FL-FB 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Unit
Default Value
Amount of Change per
Unit
Setting of Bk-color density increase
To set whether to increase the density of Bk-color.
When 1 is set, the parameters of auto gradation adjustment are adjusted so that Bk-color becomes
darker. As the Bk-color toner deposit amount is increased, toner deposit amounts of Y/M/C-color
which are mixed with Bk-color are decreased.
When black color density is low on plain paper with rough surface (rough paper)
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
3) Execute auto gradation adjustment (full adjustment).
Be sure to execute auto gradation adjustment (full adjustment) after the setting is done.
0 to 1
0: Normal, 1: Only the density of Bk-color is high
0
Fine adj at bckgd adj (bckgd removal)
To make a fine adjustment of the background adjustment (background removal) level which can
be set manually.
Break up the adjustment values into smaller ones when user does not satisfy with the default
adjustment values.
When color fogging occurs on the output image when copying yellowed blank paper as an original
Enter the setting value (switch negative/positive by -/+ key) and press OK key.
Since the background color is set to be washed out with this mode, not only the background of
yellowed blank paper, but also other light colors (light blue, etc.) are washed out.
-15 to 15
0
Copy> Options> Density> Background Density
Real-time multi tone ctrl crrct: dither
To set the extent of the correction result of gradation that has been corrected by low screen ruling
dithering of real-time multiple tone control to be reflected to other dithering methods in percentage
(%).
When PTN-INT is 1, this setting is enabled.
When hue variation occurs
Enter the setting value, and then press OK key.
0 to 100
%
10
COPIER> OPTION> IMG-MCON> PTN-INT
Set multi tone ctrl (full) feedback rate
To set the extent of the gradation correction result of real-time multiple tone control (full) to be
reflected to LUT in percentage.
If the value is large, gradation will be closer to the target value with a single execution of the control.
However, the hue may be changed dramatically before and after the execution. Decrease the value
when prioritizing hue continuity. Degree of correction by the control will be small.
When hue variation occurs
Enter the setting value, and then press OK key.
0 to 100
%
100
1
951
8. Service Mode