Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 698 / 987

■ MISC
COPIER (Service mode for copier) > ADJUST (Adjustment mode) > MISC
SEG-ADJ 1 Set criteria for text/photo: front side
Detail To set the judgment level of text/photo original in Text/Photo/Map mode.
As the value is increased, the original tends to be detected as a photo document, and as the value
is decreased, the original tends to be detected as a text document.
Use Case When adjusting the classification level of text and photo in Text/Photo/Map mode
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 -4 to 4
Default Value 0
K-ADJ 1 Set criteria for black text: front side
Detail To set the judgment level of black characters at text processing.
As the value is increased, the text tends to be detected as black.
Use Case
When preferring the text to be judged as black
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
-3 to 3
Default Value
0
ACS-ADJ 1 Set criteria for B&W/color in ACS:front
Detail To set the judgment level of B&W/color original in ACS mode.
As the value is increased, the original tends to be detected as a B&W document, and as the value
is decreased, the original tends to be detected as a color document.
Use Case When adjusting the color detection level in ACS mode
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 -3 to 3
Default Value 0
ACS-EN 2 Set judgment area in ACS mode:front side
Detail To set the judgment area in ACS mode.
As the greater value is set, the judgment area is widened.
Use Case When adjusting the judgment area in ACS mode
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
-2 to 2
Default Value
1
ACS-CNT 2 Set jdgmt pixel count area in ACS:front
Detail To set the area which counts the pixel to judge the color presence in ACS mode.
As the greater value is set, the judgment area is widened.
Use Case When adjusting the area which counts the pixel to judge the color presence in ACS mode
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 -2 to 2
Default Value 0
8. Service Mode
687