SERVICE PROGRAM MODE TABLES
B079/B082 5-28 SM
SP4 Mode Number Function and [Setting]
77* LWC Threshold (Sub
Scan): Generation Mode
Selects the threshold for line width detection in
the sub scan direction in copies copied in the
Generation Copy mode.
[0~5 / 1 / 1 step]
Low: More difficult to thicken thin lines.
High: Easier to thicken thin lines.
79
Filter Strength: Text/Photo
(Edge) 25-64%
Selects the strength of the MTF coefficient filter
setting selected with SP4903 039 to adjust the
clarity of edges of images copied in the
Text/Photo mode and enlarged in the range 25%
to 64%.
A higher setting increases the strength of the
effect, and a lower setting decreases the effect.
While a higher setting can improve the clarity of
text and thin lines, a very high setting can
increase the incidence of moiré.
[0~3 / 3 / 1]
(
!
6.2 Image Processing)
4903*
80*
Filter Adj.: Text/Photo
(Edge Det.) 25-64%
Selects the MTF filter coefficient of the edge
detection level of the filter setting selected with
SP4903 039 to adjust the clarity of edges in
images copied in the Text/Photo mode and
enlarged in the range 25% to 64%. A lower
setting increases the number of edges detected,
and a higher setting decreases the number of
edges detected.
• A higher setting affects the density of lines
with a steep slope and to a lesser degree
affects the density of gently sloping lines.
• Areas other than sloping lines are not
affected by this adjustment.
• If edge detection is set high, then the range
of edge detection is expanded to include any
background.
(
!
6.2 Image Processing)
[0~15 / 3 / 1]
0: Most edges detected. Settings near zero
increase the range of the SP4903 039 setting.
15:Fewest edges detected. Settings near 15
decrease the range of the SP3903 039 setting.
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