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Ricoh Aficio 401 - Page 29

Ricoh Aficio 401
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Mode No. Function Settings
Class 1 Class 2
4909
1
GA4 Setting
(Pulse Width
Modulation)
Decides the threshold level for selecting
the type of pulse width modulation that is
used.
0 ~ 255
1 /step
32
Do not change the value.
2
GA4 Setting
(Line Width
Correction 1 :
White
Decides the threshold value for a pixel to
be white when line width correction type 1
is performed.
0 ~ 255
1 /step
48
Do not change the value.
3
GA4 Setting
(Line Width
Correction 1 :
Black
Decides the threshold value for a pixel to
be black when line width correction type 1
is performed.
0 ~ 255
1 /step
208
Do not change the value.
4
GA4 Setting
(Line Width
Correction 2 :
White
Decides the threshold value for a pixel to
be white when line width correction type 2
is performed.
0 ~ 255
1 /step
60
Do not change the value.
5
GA4 Setting
(Line Width
Correction 2 :
Black
Decides the threshold value for a pixel to
be black when line width correction type 2
is performed.
0 ~ 255
1 /step
192
Do not change the value.
6
GA4 Setting
(Error
Diffusion
Gamma)
Selects the gamma type for error diffusion. 0 ~ 7
1 /step
0
Do not change the value.
7
GA4 Setting
(Edge
Detection 1)
Decides the threshold value to calculate
the difference value between the object
pixel and the surrounding pixels.
0 ~ 255
1 /step
16
Do not change the value.
8
GA4 Setting
(Edge
Detection 2)
Decides the threshold value for detecting
the edge area.
0 ~ 255
1 /step
128
Do not change the value.
17
GA4 Setting
(Background
Pattern Merge
Method)
Selects whether an image which overlaps
a background numbering pattern is
converted from positive to negative or not.
0: Not
converted
1: Converted
This SP mode is used when a
background numbering pattern is
overlapping a solid black area.
SERVICE PROGRAM MODE TABLES 25 April 1997
26

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