Canon PCL Printer Kit-AE1, Service Manual

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Functions > Basic Function > Trapping > Service Mode UI
Functions > Basic Function > Trapping > Service Mode UI
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 the trapping is possible 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.
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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%.
■ Service Mode UI
Following settings are possible in service mode.
• Threshold value of target pixel density that Trapping is executed for per C,M,Y,K. [maximum
13 bit (0-4096)].
• Trapping Density per C,M,Y,K [maximum 6 bit (0-16)].
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