Trapping; Setting Procedure; Combination Of Trapping And Other Functions - Canon AD1 Service Manual

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Functions > Basic Function > Trapping > Combination of Trapping and other functions

Trapping

Trapping is the processing to prevent the image deterioration due to
plate displacement by overlapping the surrounding color of target pixel
on the target pixel.
The setting of Trapping is also available from LUI.

■ Setting Procedure

1. In user mode: [Printer Settings] > [Quality] > [Advanced Settings] > [Trapping]
(It is set to OFF in default. When it is set to ON, initial setting value is Trapping Width 1
Trapping Density 100%.)
2. Set Trapping Width (Trapping Width is decided evenly for right to left and up and down).
Pixel can be specified from 1, 2 or 3 pixels.
2 Functions > Basic Function > Trapping > Combination of Trapping and other functions
3. Set Trapping Density (Trapping Density is decided evenly for C, M, Y and K). It can be
specified from 25, 50, 75 or 100%.

■ Combination of Trapping and other functions

Function that can be combined with Trapping processing
• Color Balance Adjustment per density area
• 2-Sided Printing
• Reduction Layout (Trapping is executed after magnification change)
• Composition (numbering composition by TNT)
• Booklet (Trapping is executed after Booklet operation)
• PS Composite Overprint
• PS Black Overprint
F-2-24
• Filter (Trapping is executed for characters only. Filter (Sharpness) is applied for ones other
Functions that cannot be combined with Trapping processing.
• B&W mode
• Save to BOX
• BOX Print
• Composition (numbering composition by BLDU)
• Reos (1200dpi)
• Watermark (host machine watermark)
• Watermark (Trust Stamp(BDL/LIPS))
F-2-25
[COPY- BOX]
Trapping cannot be executed for the image data of COPY- BOX.
than characters.)
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F-2-26
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