Table of Contents
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SP4
Mode Number
4903*
64
Independent Dot Erase:
Generation Copy
65*
Background Erase Level:
Text Mode
66*
Background Erase Level:
Photo
67*
Background Erase Level:
Text /Photo
Background Erase Level:
68*
Light Original
69*
Background Erase Level:
Generation Copy
70*
Edge Detection: Text
71*
Edge Detection: Text/Photo
72*
Edge Detection Threshold
Value: Text
SM
SERVICE PROGRAM MODE
Function and [Setting]
Selects the independent dot erase level for the
generation copy mode.
A larger value erases more dots. If zero is
selected, independent dot erase is disabled.
[0~15 / 8 / 1 step]
Adjusts the threshold for background erase for
the text mode. A larger value reduces dirty
background. If zero is selected, background
erase is disabled.
[0~255 / 10 / 1 step]
Adjusts the threshold for background erase for
the photo mode. A larger value reduces dirty
background. If zero is selected, background
erase is disabled.
[0~255 / 0 / 1 step]
Adjusts the threshold for background erase for
the text/photo mode. A larger value reduces dirty
background. If zero is selected, background
erase is disabled.
[0~255 / 0 / 1 step]
Adjusts the threshold for background erase for
the light original mode. A larger value reduces
dirty background. If zero is selected, background
erase is disabled.
[0~255 / 10 / 1 step]
Adjusts the threshold for background erase for
the generation copy mode. A larger value
reduces dirty background. If zero is selected,
background erase is disabled.
[0~255 / 20 / 1 step]
Selects edge detection for the text mode
(65%~154%). Edge detection applies MTF
correction only to edges.
[0~1 / 0 / 1 step]
0: Edge detection not conducted.
1 Conducts edge detection processing.
Selects edge detection for the text/photo mode
(65%~154%). Edge detection applies MTF
correction only to edges.
[0~1 / 0 / 1 step]
0: Edge detection not conducted.
1 Conducts edge detection processing.
Selects the threshold value for edge detection
for the text mode (65%~154%).
[0~8 / 4 / 1 step]
The larger the value, the easier the edge
detection and the better the text quality.
The lower the value, the more difficult the edge
detection and the better the pattern quality. As
MTF correction is applied only to edges, this
function is effective in reducing moiré. However,
a higher value could cause image quality to
deteriorate as a result of erroneous edge
detection output.
5-25
B003/B004/B006/B007
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Troubleshooting
