Photo Mode - Gestetner B003 Service Manual

Text mode: 257 ~ 400 %
MTF strength
Main scan: Filter coefficient
(SP4903-32)
Sub scan: Filter coefficient
(SP4903-33)
Main scan: Filter strength
(SP4903-34)
Sub scan: Filter strength
(SP4903-35)

Photo Mode

Either MTF or smoothing can be used.
To use MTF, set SP4-903-9 to 0 then use SP4-903-36 and SP4-903-38 to set the
filter coefficient and strength for scanning grayscale images.
Photo mode
MTF strength
Main scan: Filter coefficient
(SP4903-36)
Filter strength (SP4903-38)
To use smoothing, set SP4-903-9 to 1 then use SP4-903-37 to select the setting
for smoothing.
Photo mode
Smoothing filter
Smoothing filter coefficient
(SP4903-37)
SM
Weakest
←Default→
(Soft)
0 14
0 6
0 2
0 2
Weakest
←Default→
(Soft)
0 4
0 1
Weakest
←Default→
(Soft)
0 2
6-31
IMAGE PROCESSING
Strongest
(Sharp)
15
13
7
7
Strongest
(Sharp)
6
7
Strongest
(Sharp)
7
B003/B004/B006/B007