Ricoh B079 - Page 247

Service
Tables
SERVICE PROGRAM MODE TABLES
SM 5-21 B079/B082
SP4 Mode Number Function and [Setting]
15*
Pre-Filter: Light Selects the Pre-Filter coefficient in the main scan
direction for low density mode and enhances
lines parallel to the direction of feed to prevent
moiré. (! Chap.6, “Image Processing”.
[0~9 / 0 / 1 step]
Increasing this value strengthens smoothing but
can also increase the occurrence of moiré and
reduce sharpness.
16*
Pre-Filter: Generation Selects the Pre-Filter coefficient in the main scan
direction for copied original mode to emphasize
lines parallel to the direction of feed. (! Chap.6,
“Image Processing”.
[0~9 / 0 / 1 step]
Increasing this value strengthens smoothing but
can also increase the occurrence of moiré and
reduce sharpness.
20* Main Filter Level: Text
25%-64%
Selects the MTF filter coefficient for the text mode
in the main scan direction.
[0~15 / 9 / 1 step]
(
! 6.2 Image Processing)
21* Sub Filter Level: Text 25%-
64%
Selects the MTF filter coefficient for the text mode
in the sub scan direction.
[0~13 / 13 / 1 step]
(
! 6.2 Image Processing)
22* Main Filter Strength: Text
25%-64%
Selects the MTF filter strength in the main scan
direction for the text mode.
[0~7 / 2 / 1 step]
(
! 6.2 Image Processing)
23* Sub Filter Strength: Text
25%-64%
Selects the MTF filter strength in the sub scan
direction for the text mode.
[0~7 / 2 / 1 step]
(
! 6.2 Image Processing)
24* Main Filter Level: Text
65%-154%
Selects the MTF filter coefficient for the main
scan direction in the text mode.
[0~15 / 12 / 1 step]
(
! 6.2 Image Processing)
25* Sub Filter Level: Text 65%-
154%
Selects the MTF filter coefficient for the sub scan
direction in the text mode.
[0~13 / 13 / 1 step]
(
! 6.2 Image Processing)
26* Main Filter Strength: Text
65%-154%
Selects the MTF filter strength for the main scan
direction in the text mode.
[0~7 / 2 / 1 step]
(
! 6.2 Image Processing)
27* Sub Filter Strength: Text
65%-154%
Selects the MTF filter strength for the sub scan
direction in the text mode.
[0~7 / 2 / 1 step]
(
! 6.2 Image Processing)
4903*
28* Main Filter Level: Text
155%-256%
Selects the MTF filter coefficient for the main
scan direction in the text mode.
[0~15 / 14 / 1 step]
(
! 6.2 Image Processing)
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