Canon imageRUNNER ADVANCE C350 series Service Manual page 917

■ IMG-MCON
COPIER> OPTION> IMG-MCON
PASCAL Use/no use of auto gradation adj data
Lv.1 Details To set to use/not to use the gradation adjustment data gamma LUT
that is generated by auto gradation adjustment (Full/Quick Adjust)
control.
Selection is available as to whether to use gamma LUT at the time of
image formation.
Use case When PASCAL-related failure occurs/when identifying the cause of
PASCAL-related failure
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 3
0: Initial LUT is used. (Automatic gradation adjustment is not used.)
1: Auto gradation adjustment is used.
2 to 3: Not used
Default value 1
SCR-SLCT Halftone process in Photo Printout mode
Lv.2 Details To set halftone process (error diffusion, screen 2 types) in Photo
Printout mode when making a copy.
Change the setting if the copy image has a problem with the initial
setting (Low screen ruling).
Select 0 (error diffusion) in the case of moire (suitable for character
reproduction).
Select 2 (High screen ruling) in the case of rough dots.
Use case When moire image or rough dots occurs on copy image
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 2
0: Error diffusion, 1: Low screen ruling, 2: High screen ruling
Default value 1
Related UI menu Function Settings> Copy> Photo Printout Mode
TMC-SLCT Setting of error diffusion coefficient
Lv.2 Details To set coefficient to be used for error diffusion process.
Specify according to the level of granularity and dot stability.
Use case When setting the error diffusion coefficient
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 2
0: Small granularity/low dot stability
1: Small granularity/low dot stability (color mode), Large granularity/
high dot stability (B&W mode)
2: Large granularity/high dot stability
Default value 2
8
Service Mode > COPIER > OPTION > IMG-MCON
8 Service Mode > COPIER > OPTION > IMG-MCON
COPIER> OPTION> IMG-MCON
PRN-FLG Select of image area flag (PDL image)
Lv.2 Details To set the image area flag for the image processing which is
performed when a PDL image fails to be compressed at a specified
compression rate.
If an image fails to be compressed at a specified compression rate,
the following operations are performed as default:
- Processing to prioritize reproduction of text
- Replacing Bk color to black plain color
Set 1 when moire occurs or jaggy is significant.
Set 2 when not preferring to replace Bk color with black plain color.
Use case - When moire occurs or jaggy is significant in case of printing an
image containing many halftone dots or photos
- When avoiding to replace Bk color with black plain color
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution This setting trades off with reproducibility of text.
Display/adj/set range 0 to 2
0: High screen ruling, gray compensation LUT
1: Error diffusion, gray compensation LUT
2: High screen ruling, normal LUT
Default value 0
SCN-FLG Select of image area flag (copy image)
Lv.2 Details To set the image area flag for the image processing which is
performed when a scanned image fails to be compressed at a
specified compression rate.
If an image fails to be compressed at a specified compression rate,
processing to prioritize reproduction of text is performed by default.
Set 1 when an image contains many halftone photos.
Set 2 when an image contains many printed photos.
Use case When copying an image which contains many halftone dots and
photos
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution This setting trades off with reproducibility of text.
Display/adj/set range 0 to 2
0: Text, 1: Halftone photo image, 2: Printed photo
Default value 0
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