Canon DU7-1178-000, Service Manual, Page: 28 / 122

Chapter 2
2-12
2.2.4 Objective(PCL): Halftones(PS):
0011-3470
- Default Setting(PS): Printer Default(Uses the Setting from the printer.
- Default Setting(PCL): Pattern2
- For PCL, Each Objective mode has a default Halftone setting:
PCL:
T-2-1
-There are the values of image, Graphics and Text for every Pattern.
T-2-2
T : Color Tone
G : Gradation
R : Resolution
H : High Resolution
Halftones:
Specifies the method for halftone processing.
Printer Default:
Uses the setting from the printer.
Resolution:
Provides halftone processing giving priority to resolution. This method is suitable to output a document
containig mostly texgt and line drawings.
Grfadation:
Probides halftone processing giving priority to gradation. This method is suitable to output a document
countaing many images.
Objective Default Halftone
Text Patterm2
Publications Patterm1
Graphics Patterm2
Photos Patterm5
Designs(CAD) Patterm4
PS PCL
Halftone IMG GRA TXT IMG GRA TXT
Resolution R R R - - -
Gradation G G G - - -
High Resolution H H H - - -
Pattern1 R H H T G H
Pattern2 G H H T T R
Pattern3 R R H G G G
Pattern4 G G H G H H
Pattern5 G R H T T T
Pattern6 G G R - - -
Pattern7 G R H - - -