Canon imageRUNNER ADVANCE C3500 III Series, Service Manual, Page: 812 / 1252

COPIER (Service mode for printer) > OPTION (Specification setting mode) > IMG-MCON
TMC-SLCT 2 Set error diffusion process coefficient
Detail To set coefficient to be used for error diffusion processing.
Make the setting according to the level of granularity and dot stability.
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 (black mode)
2: Large granularity/high dot stability
Default Value 2
PRN-FLG 2 Select of image area flag (PDL image)
Detail To set the image area flag for 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 the processed black with single Bk-color
Set 1 when moire occurs or jaggy is significant. Set 2 when not preferring to replace the processed
black with single Bk-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 the processed black with single Bk-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 2 Select of image area flag (copy image)
Detail To set the image area flag for 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 photo images. 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
8. Service Mode
790