IMAGE PROCESSING 26 January, 2001
6-30
Text Mode
The following SP modes select the MTF filter coefficient and strength in the main
scan direction for text mode.
• SP4-903-20 to SP4-903-23 (25%~64%)
• SP4-903-24 to SP4-903-27 (65%~154%)
• SP4-903-28 to SP4-903-31 (155%~256%)
• SP4-903-32 to SP4-903-35 (257%~400%)
NOTE: Increasing this value strengthens MTF but can also increase the
occurrence of moiré and reduce sharpness.
Text mode: 25 ~ 64 %
MTF strength Weakest
(Soft)
←Default→
Strongest
(Sharp)
Main scan: Filter coefficient
(SP4903-20)
0 9 15
Sub scan: Filter coefficient
(SP4903-21)
0 13 13
Main scan: Filter strength
(SP4903-22)
0 2 7
Sub scan: Filter strength
(SP4903-23)
0 2 7
Text mode: 65 ~ 154 %
MTF strength Weakest
(Soft)
←Default→
Strongest
(Sharp)
Main scan: Filter coefficient
(SP4903-24)
0 12 15
Sub scan: Filter coefficient
(SP4903-25)
06 13
Main scan: Filter strength
(SP4903-26)
0 2 7
Sub scan: Filter strength
(SP4903-27)
0 2 7
Text mode: 155 ~ 256 %
MTF strength Weakest
(Soft)
←Default→
Strongest
(Sharp)
Main scan: Filter coefficient
(SP4903-28)
0 14 15
Sub scan: Filter coefficient
(SP4903-29)
06 13
Main scan: Filter strength
(SP4903-30)
0 2 7
Sub scan: Filter strength
(SP4903-31)
0 2 7
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